/** * @param type $parsedFrame * * @return bool */ public function ParseID3v2Frame(&$parsedFrame) { // shortcuts $info =& $this->getid3->info; $id3v2_majorversion = $info['id3v2']['majorversion']; $parsedFrame['framenamelong'] = $this->FrameNameLongLookup($parsedFrame['frame_name']); if (empty($parsedFrame['framenamelong'])) { unset($parsedFrame['framenamelong']); } $parsedFrame['framenameshort'] = $this->FrameNameShortLookup($parsedFrame['frame_name']); if (empty($parsedFrame['framenameshort'])) { unset($parsedFrame['framenameshort']); } if ($id3v2_majorversion >= 3) { // frame flags are not part of the ID3v2.2 standard if ($id3v2_majorversion == 3) { // Frame Header Flags // %abc00000 %ijk00000 $parsedFrame['flags']['TagAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x8000); // a - Tag alter preservation $parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // b - File alter preservation $parsedFrame['flags']['ReadOnly'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // c - Read only $parsedFrame['flags']['compression'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x80); // i - Compression $parsedFrame['flags']['Encryption'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x40); // j - Encryption $parsedFrame['flags']['GroupingIdentity'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x20); // k - Grouping identity } elseif ($id3v2_majorversion == 4) { // Frame Header Flags // %0abc0000 %0h00kmnp $parsedFrame['flags']['TagAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // a - Tag alter preservation $parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // b - File alter preservation $parsedFrame['flags']['ReadOnly'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x1000); // c - Read only $parsedFrame['flags']['GroupingIdentity'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x40); // h - Grouping identity $parsedFrame['flags']['compression'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x8); // k - Compression $parsedFrame['flags']['Encryption'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4); // m - Encryption $parsedFrame['flags']['Unsynchronisation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2); // n - Unsynchronisation $parsedFrame['flags']['DataLengthIndicator'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x1); // p - Data length indicator // Frame-level de-unsynchronisation - ID3v2.4 if ($parsedFrame['flags']['Unsynchronisation']) { $parsedFrame['data'] = $this->DeUnsynchronise($parsedFrame['data']); } if ($parsedFrame['flags']['DataLengthIndicator']) { $parsedFrame['data_length_indicator'] = Helper::BigEndian2Int(substr($parsedFrame['data'], 0, 4), 1); $parsedFrame['data'] = substr($parsedFrame['data'], 4); } } // Frame-level de-compression if ($parsedFrame['flags']['compression']) { $parsedFrame['decompressed_size'] = Helper::BigEndian2Int(substr($parsedFrame['data'], 0, 4)); if (!function_exists('gzuncompress')) { $info['warning'][] = 'gzuncompress() support required to decompress ID3v2 frame "' . $parsedFrame['frame_name'] . '"'; } else { if ($decompresseddata = @gzuncompress(substr($parsedFrame['data'], 4))) { //if ($decompresseddata = @gzuncompress($parsedFrame['data'])) { $parsedFrame['data'] = $decompresseddata; unset($decompresseddata); } else { $info['warning'][] = 'gzuncompress() failed on compressed contents of ID3v2 frame "' . $parsedFrame['frame_name'] . '"'; } } } } if (!empty($parsedFrame['flags']['DataLengthIndicator'])) { if ($parsedFrame['data_length_indicator'] != strlen($parsedFrame['data'])) { $info['warning'][] = 'ID3v2 frame "' . $parsedFrame['frame_name'] . '" should be ' . $parsedFrame['data_length_indicator'] . ' bytes long according to DataLengthIndicator, but found ' . strlen($parsedFrame['data']) . ' bytes of data'; } } if (isset($parsedFrame['datalength']) && $parsedFrame['datalength'] == 0) { $warning = 'Frame "' . $parsedFrame['frame_name'] . '" at offset ' . $parsedFrame['dataoffset'] . ' has no data portion'; switch ($parsedFrame['frame_name']) { case 'WCOM': $warning .= ' (this is known to happen with files tagged by RioPort)'; break; default: break; } $info['warning'][] = $warning; } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'UFID' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'UFI') { // 4.1 UFI Unique file identifier // There may be more than one 'UFID' frame in a tag, // but only one with the same 'Owner identifier'. // <Header for 'Unique file identifier', ID: 'UFID'> // Owner identifier <text string> $00 // Identifier <up to 64 bytes binary data> $exploded = explode("", $parsedFrame['data'], 2); $parsedFrame['ownerid'] = isset($exploded[0]) ? $exploded[0] : ''; $parsedFrame['data'] = isset($exploded[1]) ? $exploded[1] : ''; } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'TXXX' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'TXX') { // 4.2.2 TXX User defined text information frame // There may be more than one 'TXXX' frame in each tag, // but only one with the same description. // <Header for 'User defined text information frame', ID: 'TXXX'> // Text encoding $xx // Description <text string according to encoding> $00 (00) // Value <text string according to encoding> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['description'] = $frame_description; $parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding))); if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = trim(Helper::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data'])); } //unset($parsedFrame['data']); do not unset, may be needed elsewhere, e.g. for replaygain } elseif ($parsedFrame['frame_name'][0] == 'T') { // 4.2. T??[?] Text information frame // There may only be one text information frame of its kind in an tag. // <Header for 'Text information frame', ID: 'T000' - 'TZZZ', // excluding 'TXXX' described in 4.2.6.> // Text encoding $xx // Information <text string(s) according to encoding> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { $string = Helper::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']); $string = rtrim($string, ""); // remove possible terminating null (put by encoding id or software bug) $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $string; unset($string); } } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'WXXX' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'WXX') { // 4.3.2 WXX User defined URL link frame // There may be more than one 'WXXX' frame in each tag, // but only one with the same description // <Header for 'User defined URL link frame', ID: 'WXXX'> // Text encoding $xx // Description <text string according to encoding> $00 (00) // URL <text string> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding))); $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding)); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } if ($frame_terminatorpos) { // there are null bytes after the data - this is not according to spec // only use data up to first null byte $frame_urldata = (string) substr($parsedFrame['data'], 0, $frame_terminatorpos); } else { // no null bytes following data, just use all data $frame_urldata = (string) $parsedFrame['data']; } $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['url'] = $frame_urldata; $parsedFrame['description'] = $frame_description; if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = Helper::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['url']); } unset($parsedFrame['data']); } elseif ($parsedFrame['frame_name'][0] == 'W') { // 4.3. W??? URL link frames // There may only be one URL link frame of its kind in a tag, // except when stated otherwise in the frame description // <Header for 'URL link frame', ID: 'W000' - 'WZZZ', excluding 'WXXX' // described in 4.3.2.> // URL <text string> $parsedFrame['url'] = trim($parsedFrame['data']); if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['url']; } unset($parsedFrame['data']); } elseif ($id3v2_majorversion == 3 && $parsedFrame['frame_name'] == 'IPLS' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'IPL') { // 4.4 IPL Involved people list (ID3v2.2 only) // There may only be one 'IPL' frame in each tag // <Header for 'User defined URL link frame', ID: 'IPL'> // Text encoding $xx // People list strings <textstrings> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($parsedFrame['encodingid']); $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = Helper::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']); } } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'MCDI' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'MCI') { // 4.5 MCI Music CD identifier // There may only be one 'MCDI' frame in each tag // <Header for 'Music CD identifier', ID: 'MCDI'> // CD TOC <binary data> if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['data']; } } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'ETCO' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'ETC') { // 4.6 ETC Event timing codes // There may only be one 'ETCO' frame in each tag // <Header for 'Event timing codes', ID: 'ETCO'> // Time stamp format $xx // Where time stamp format is: // $01 (32-bit value) MPEG frames from beginning of file // $02 (32-bit value) milliseconds from beginning of file // Followed by a list of key events in the following format: // Type of event $xx // Time stamp $xx (xx ...) // The 'Time stamp' is set to zero if directly at the beginning of the sound // or after the previous event. All events MUST be sorted in chronological order. $frame_offset = 0; $parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); while ($frame_offset < strlen($parsedFrame['data'])) { $parsedFrame['typeid'] = substr($parsedFrame['data'], $frame_offset++, 1); $parsedFrame['type'] = $this->ETCOEventLookup($parsedFrame['typeid']); $parsedFrame['timestamp'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4)); $frame_offset += 4; } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'MLLT' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'MLL') { // 4.7 MLL MPEG location lookup table // There may only be one 'MLLT' frame in each tag // <Header for 'Location lookup table', ID: 'MLLT'> // MPEG frames between reference $xx xx // Bytes between reference $xx xx xx // Milliseconds between reference $xx xx xx // Bits for bytes deviation $xx // Bits for milliseconds dev. $xx // Then for every reference the following data is included; // Deviation in bytes %xxx.... // Deviation in milliseconds %xxx.... $frame_offset = 0; $parsedFrame['framesbetweenreferences'] = Helper::BigEndian2Int(substr($parsedFrame['data'], 0, 2)); $parsedFrame['bytesbetweenreferences'] = Helper::BigEndian2Int(substr($parsedFrame['data'], 2, 3)); $parsedFrame['msbetweenreferences'] = Helper::BigEndian2Int(substr($parsedFrame['data'], 5, 3)); $parsedFrame['bitsforbytesdeviation'] = Helper::BigEndian2Int(substr($parsedFrame['data'], 8, 1)); $parsedFrame['bitsformsdeviation'] = Helper::BigEndian2Int(substr($parsedFrame['data'], 9, 1)); $parsedFrame['data'] = substr($parsedFrame['data'], 10); while ($frame_offset < strlen($parsedFrame['data'])) { $deviationbitstream .= Helper::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1)); } $reference_counter = 0; while (strlen($deviationbitstream) > 0) { $parsedFrame[$reference_counter]['bytedeviation'] = bindec(substr($deviationbitstream, 0, $parsedFrame['bitsforbytesdeviation'])); $parsedFrame[$reference_counter]['msdeviation'] = bindec(substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'], $parsedFrame['bitsformsdeviation'])); $deviationbitstream = substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'] + $parsedFrame['bitsformsdeviation']); ++$reference_counter; } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'SYTC' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'STC') { // 4.8 STC Synchronised tempo codes // There may only be one 'SYTC' frame in each tag // <Header for 'Synchronised tempo codes', ID: 'SYTC'> // Time stamp format $xx // Tempo data <binary data> // Where time stamp format is: // $01 (32-bit value) MPEG frames from beginning of file // $02 (32-bit value) milliseconds from beginning of file $frame_offset = 0; $parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $timestamp_counter = 0; while ($frame_offset < strlen($parsedFrame['data'])) { $parsedFrame[$timestamp_counter]['tempo'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($parsedFrame[$timestamp_counter]['tempo'] == 255) { $parsedFrame[$timestamp_counter]['tempo'] += ord(substr($parsedFrame['data'], $frame_offset++, 1)); } $parsedFrame[$timestamp_counter]['timestamp'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4)); $frame_offset += 4; ++$timestamp_counter; } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'USLT' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'ULT') { // 4.9 ULT Unsynchronised lyric/text transcription // There may be more than one 'Unsynchronised lyrics/text transcription' frame // in each tag, but only one with the same language and content descriptor. // <Header for 'Unsynchronised lyrics/text transcription', ID: 'USLT'> // Text encoding $xx // Language $xx xx xx // Content descriptor <text string according to encoding> $00 (00) // Lyrics/text <full text string according to encoding> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_language = substr($parsedFrame['data'], $frame_offset, 3); $frame_offset += 3; $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding))); $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['data'] = $parsedFrame['data']; $parsedFrame['language'] = $frame_language; $parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false); $parsedFrame['description'] = $frame_description; if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = Helper::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']); } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'SYLT' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'SLT') { // 4.10 SLT Synchronised lyric/text // There may be more than one 'SYLT' frame in each tag, // but only one with the same language and content descriptor. // <Header for 'Synchronised lyrics/text', ID: 'SYLT'> // Text encoding $xx // Language $xx xx xx // Time stamp format $xx // $01 (32-bit value) MPEG frames from beginning of file // $02 (32-bit value) milliseconds from beginning of file // Content type $xx // Content descriptor <text string according to encoding> $00 (00) // Terminated text to be synced (typically a syllable) // Sync identifier (terminator to above string) $00 (00) // Time stamp $xx (xx ...) $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_language = substr($parsedFrame['data'], $frame_offset, 3); $frame_offset += 3; $parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['contenttypeid'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['contenttype'] = $this->SYTLContentTypeLookup($parsedFrame['contenttypeid']); $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['language'] = $frame_language; $parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false); $timestampindex = 0; $frame_remainingdata = substr($parsedFrame['data'], $frame_offset); while (strlen($frame_remainingdata)) { $frame_offset = 0; $frame_terminatorpos = strpos($frame_remainingdata, $this->TextEncodingTerminatorLookup($frame_textencoding)); if ($frame_terminatorpos === false) { $frame_remainingdata = ''; } else { if (ord(substr($frame_remainingdata, $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $parsedFrame['lyrics'][$timestampindex]['data'] = substr($frame_remainingdata, $frame_offset, $frame_terminatorpos - $frame_offset); $frame_remainingdata = substr($frame_remainingdata, $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding))); if ($timestampindex == 0 && ord($frame_remainingdata[0]) != 0) { // timestamp probably omitted for first data item } else { $parsedFrame['lyrics'][$timestampindex]['timestamp'] = Helper::BigEndian2Int(substr($frame_remainingdata, 0, 4)); $frame_remainingdata = substr($frame_remainingdata, 4); } ++$timestampindex; } } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'COMM' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'COM') { // 4.11 COM Comments // There may be more than one comment frame in each tag, // but only one with the same language and content descriptor. // <Header for 'Comment', ID: 'COMM'> // Text encoding $xx // Language $xx xx xx // Short content descrip. <text string according to encoding> $00 (00) // The actual text <full text string according to encoding> if (strlen($parsedFrame['data']) < 5) { $info['warning'][] = 'Invalid data (too short) for "' . $parsedFrame['frame_name'] . '" frame at offset ' . $parsedFrame['dataoffset']; } else { $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_language = substr($parsedFrame['data'], $frame_offset, 3); $frame_offset += 3; $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $frame_text = (string) substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding))); $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['language'] = $frame_language; $parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false); $parsedFrame['description'] = $frame_description; $parsedFrame['data'] = $frame_text; if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = Helper::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']); } } } elseif ($id3v2_majorversion >= 4 && $parsedFrame['frame_name'] == 'RVA2') { // 4.11 RVA2 Relative volume adjustment (2) (ID3v2.4+ only) // There may be more than one 'RVA2' frame in each tag, // but only one with the same identification string // <Header for 'Relative volume adjustment (2)', ID: 'RVA2'> // Identification <text string> $00 // The 'identification' string is used to identify the situation and/or // device where this adjustment should apply. The following is then // repeated for every channel: // Type of channel $xx // Volume adjustment $xx xx // Bits representing peak $xx // Peak volume $xx (xx ...) $frame_terminatorpos = strpos($parsedFrame['data'], ""); $frame_idstring = substr($parsedFrame['data'], 0, $frame_terminatorpos); if (ord($frame_idstring) === 0) { $frame_idstring = ''; } $frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("")); $parsedFrame['description'] = $frame_idstring; $RVA2channelcounter = 0; while (strlen($frame_remainingdata) >= 5) { $frame_offset = 0; $frame_channeltypeid = ord(substr($frame_remainingdata, $frame_offset++, 1)); $parsedFrame[$RVA2channelcounter]['channeltypeid'] = $frame_channeltypeid; $parsedFrame[$RVA2channelcounter]['channeltype'] = $this->RVA2ChannelTypeLookup($frame_channeltypeid); $parsedFrame[$RVA2channelcounter]['volumeadjust'] = Helper::BigEndian2Int(substr($frame_remainingdata, $frame_offset, 2), false, true); // 16-bit signed $frame_offset += 2; $parsedFrame[$RVA2channelcounter]['bitspeakvolume'] = ord(substr($frame_remainingdata, $frame_offset++, 1)); if ($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] < 1 || $parsedFrame[$RVA2channelcounter]['bitspeakvolume'] > 4) { $info['warning'][] = 'ID3v2::RVA2 frame[' . $RVA2channelcounter . '] contains invalid ' . $parsedFrame[$RVA2channelcounter]['bitspeakvolume'] . '-byte bits-representing-peak value'; break; } $frame_bytespeakvolume = ceil($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] / 8); $parsedFrame[$RVA2channelcounter]['peakvolume'] = Helper::BigEndian2Int(substr($frame_remainingdata, $frame_offset, $frame_bytespeakvolume)); $frame_remainingdata = substr($frame_remainingdata, $frame_offset + $frame_bytespeakvolume); ++$RVA2channelcounter; } unset($parsedFrame['data']); } elseif ($id3v2_majorversion == 3 && $parsedFrame['frame_name'] == 'RVAD' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'RVA') { // 4.12 RVA Relative volume adjustment (ID3v2.2 only) // There may only be one 'RVA' frame in each tag // <Header for 'Relative volume adjustment', ID: 'RVA'> // ID3v2.2 => Increment/decrement %000000ba // ID3v2.3 => Increment/decrement %00fedcba // Bits used for volume descr. $xx // Relative volume change, right $xx xx (xx ...) // a // Relative volume change, left $xx xx (xx ...) // b // Peak volume right $xx xx (xx ...) // Peak volume left $xx xx (xx ...) // ID3v2.3 only, optional (not present in ID3v2.2): // Relative volume change, right back $xx xx (xx ...) // c // Relative volume change, left back $xx xx (xx ...) // d // Peak volume right back $xx xx (xx ...) // Peak volume left back $xx xx (xx ...) // ID3v2.3 only, optional (not present in ID3v2.2): // Relative volume change, center $xx xx (xx ...) // e // Peak volume center $xx xx (xx ...) // ID3v2.3 only, optional (not present in ID3v2.2): // Relative volume change, bass $xx xx (xx ...) // f // Peak volume bass $xx xx (xx ...) $frame_offset = 0; $frame_incrdecrflags = Helper::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['incdec']['right'] = (bool) substr($frame_incrdecrflags, 6, 1); $parsedFrame['incdec']['left'] = (bool) substr($frame_incrdecrflags, 7, 1); $parsedFrame['bitsvolume'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $frame_bytesvolume = ceil($parsedFrame['bitsvolume'] / 8); $parsedFrame['volumechange']['right'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); if ($parsedFrame['incdec']['right'] === false) { $parsedFrame['volumechange']['right'] *= -1; } $frame_offset += $frame_bytesvolume; $parsedFrame['volumechange']['left'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); if ($parsedFrame['incdec']['left'] === false) { $parsedFrame['volumechange']['left'] *= -1; } $frame_offset += $frame_bytesvolume; $parsedFrame['peakvolume']['right'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); $frame_offset += $frame_bytesvolume; $parsedFrame['peakvolume']['left'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); $frame_offset += $frame_bytesvolume; if ($id3v2_majorversion == 3) { $parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset); if (strlen($parsedFrame['data']) > 0) { $parsedFrame['incdec']['rightrear'] = (bool) substr($frame_incrdecrflags, 4, 1); $parsedFrame['incdec']['leftrear'] = (bool) substr($frame_incrdecrflags, 5, 1); $parsedFrame['volumechange']['rightrear'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); if ($parsedFrame['incdec']['rightrear'] === false) { $parsedFrame['volumechange']['rightrear'] *= -1; } $frame_offset += $frame_bytesvolume; $parsedFrame['volumechange']['leftrear'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); if ($parsedFrame['incdec']['leftrear'] === false) { $parsedFrame['volumechange']['leftrear'] *= -1; } $frame_offset += $frame_bytesvolume; $parsedFrame['peakvolume']['rightrear'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); $frame_offset += $frame_bytesvolume; $parsedFrame['peakvolume']['leftrear'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); $frame_offset += $frame_bytesvolume; } $parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset); if (strlen($parsedFrame['data']) > 0) { $parsedFrame['incdec']['center'] = (bool) substr($frame_incrdecrflags, 3, 1); $parsedFrame['volumechange']['center'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); if ($parsedFrame['incdec']['center'] === false) { $parsedFrame['volumechange']['center'] *= -1; } $frame_offset += $frame_bytesvolume; $parsedFrame['peakvolume']['center'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); $frame_offset += $frame_bytesvolume; } $parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset); if (strlen($parsedFrame['data']) > 0) { $parsedFrame['incdec']['bass'] = (bool) substr($frame_incrdecrflags, 2, 1); $parsedFrame['volumechange']['bass'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); if ($parsedFrame['incdec']['bass'] === false) { $parsedFrame['volumechange']['bass'] *= -1; } $frame_offset += $frame_bytesvolume; $parsedFrame['peakvolume']['bass'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume)); $frame_offset += $frame_bytesvolume; } } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 4 && $parsedFrame['frame_name'] == 'EQU2') { // 4.12 EQU2 Equalisation (2) (ID3v2.4+ only) // There may be more than one 'EQU2' frame in each tag, // but only one with the same identification string // <Header of 'Equalisation (2)', ID: 'EQU2'> // Interpolation method $xx // $00 Band // $01 Linear // Identification <text string> $00 // The following is then repeated for every adjustment point // Frequency $xx xx // Volume adjustment $xx xx $frame_offset = 0; $frame_interpolationmethod = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_idstring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_idstring) === 0) { $frame_idstring = ''; } $parsedFrame['description'] = $frame_idstring; $frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("")); while (strlen($frame_remainingdata)) { $frame_frequency = Helper::BigEndian2Int(substr($frame_remainingdata, 0, 2)) / 2; $parsedFrame['data'][$frame_frequency] = Helper::BigEndian2Int(substr($frame_remainingdata, 2, 2), false, true); $frame_remainingdata = substr($frame_remainingdata, 4); } $parsedFrame['interpolationmethod'] = $frame_interpolationmethod; unset($parsedFrame['data']); } elseif ($id3v2_majorversion == 3 && $parsedFrame['frame_name'] == 'EQUA' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'EQU') { // 4.13 EQU Equalisation (ID3v2.2 only) // There may only be one 'EQUA' frame in each tag // <Header for 'Relative volume adjustment', ID: 'EQU'> // Adjustment bits $xx // This is followed by 2 bytes + ('adjustment bits' rounded up to the // nearest byte) for every equalisation band in the following format, // giving a frequency range of 0 - 32767Hz: // Increment/decrement %x (MSB of the Frequency) // Frequency (lower 15 bits) // Adjustment $xx (xx ...) $frame_offset = 0; $parsedFrame['adjustmentbits'] = substr($parsedFrame['data'], $frame_offset++, 1); $frame_adjustmentbytes = ceil($parsedFrame['adjustmentbits'] / 8); $frame_remainingdata = (string) substr($parsedFrame['data'], $frame_offset); while (strlen($frame_remainingdata) > 0) { $frame_frequencystr = Helper::BigEndian2Bin(substr($frame_remainingdata, 0, 2)); $frame_incdec = (bool) substr($frame_frequencystr, 0, 1); $frame_frequency = bindec(substr($frame_frequencystr, 1, 15)); $parsedFrame[$frame_frequency]['incdec'] = $frame_incdec; $parsedFrame[$frame_frequency]['adjustment'] = Helper::BigEndian2Int(substr($frame_remainingdata, 2, $frame_adjustmentbytes)); if ($parsedFrame[$frame_frequency]['incdec'] === false) { $parsedFrame[$frame_frequency]['adjustment'] *= -1; } $frame_remainingdata = substr($frame_remainingdata, 2 + $frame_adjustmentbytes); } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'RVRB' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'REV') { // 4.14 REV Reverb // There may only be one 'RVRB' frame in each tag. // <Header for 'Reverb', ID: 'RVRB'> // Reverb left (ms) $xx xx // Reverb right (ms) $xx xx // Reverb bounces, left $xx // Reverb bounces, right $xx // Reverb feedback, left to left $xx // Reverb feedback, left to right $xx // Reverb feedback, right to right $xx // Reverb feedback, right to left $xx // Premix left to right $xx // Premix right to left $xx $frame_offset = 0; $parsedFrame['left'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2)); $frame_offset += 2; $parsedFrame['right'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2)); $frame_offset += 2; $parsedFrame['bouncesL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['bouncesR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['feedbackLL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['feedbackLR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['feedbackRR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['feedbackRL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['premixLR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['premixRL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'APIC' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'PIC') { // 4.15 PIC Attached picture // There may be several pictures attached to one file, // each in their individual 'APIC' frame, but only one // with the same content descriptor // <Header for 'Attached picture', ID: 'APIC'> // Text encoding $xx // ID3v2.3+ => MIME type <text string> $00 // ID3v2.2 => Image format $xx xx xx // Picture type $xx // Description <text string according to encoding> $00 (00) // Picture data <binary data> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } if ($id3v2_majorversion == 2 && strlen($parsedFrame['data']) > $frame_offset) { $frame_imagetype = substr($parsedFrame['data'], $frame_offset, 3); if (strtolower($frame_imagetype) == 'ima') { // complete hack for mp3Rage (www.chaoticsoftware.com) that puts ID3v2.3-formatted // MIME type instead of 3-char ID3v2.2-format image type (thanks xbhoffØpacbell*net) $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_mimetype) === 0) { $frame_mimetype = ''; } $frame_imagetype = strtoupper(str_replace('image/', '', strtolower($frame_mimetype))); if ($frame_imagetype == 'JPEG') { $frame_imagetype = 'JPG'; } $frame_offset = $frame_terminatorpos + strlen(""); } else { $frame_offset += 3; } } if ($id3v2_majorversion > 2 && strlen($parsedFrame['data']) > $frame_offset) { $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_mimetype) === 0) { $frame_mimetype = ''; } $frame_offset = $frame_terminatorpos + strlen(""); } $frame_picturetype = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($frame_offset >= $parsedFrame['datalength']) { $info['warning'][] = 'data portion of APIC frame is missing at offset ' . ($parsedFrame['dataoffset'] + 8 + $frame_offset); } else { $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); if ($id3v2_majorversion == 2) { $parsedFrame['imagetype'] = $frame_imagetype; } else { $parsedFrame['mime'] = $frame_mimetype; } $parsedFrame['picturetypeid'] = $frame_picturetype; $parsedFrame['picturetype'] = $this->APICPictureTypeLookup($frame_picturetype); $parsedFrame['description'] = $frame_description; $parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding))); $parsedFrame['datalength'] = strlen($parsedFrame['data']); $parsedFrame['image_mime'] = ''; $imageinfo = array(); $imagechunkcheck = Helper::GetDataImageSize($parsedFrame['data'], $imageinfo); if ($imagechunkcheck[2] >= 1 && $imagechunkcheck[2] <= 3) { $parsedFrame['image_mime'] = 'image/' . Helper::ImageTypesLookup($imagechunkcheck[2]); if ($imagechunkcheck[0]) { $parsedFrame['image_width'] = $imagechunkcheck[0]; } if ($imagechunkcheck[1]) { $parsedFrame['image_height'] = $imagechunkcheck[1]; } } do { if ($this->inline_attachments === false) { // skip entirely unset($parsedFrame['data']); break; } if ($this->inline_attachments === true) { // great } elseif (is_int($this->inline_attachments)) { if ($this->inline_attachments < $parsedFrame['data_length']) { // too big, skip $info['warning'][] = 'attachment at ' . $frame_offset . ' is too large to process inline (' . number_format($parsedFrame['data_length']) . ' bytes)'; unset($parsedFrame['data']); break; } } elseif (is_string($this->inline_attachments)) { $this->inline_attachments = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->inline_attachments), DIRECTORY_SEPARATOR); if (!is_dir($this->inline_attachments) || !is_writable($this->inline_attachments)) { // cannot write, skip $info['warning'][] = 'attachment at ' . $frame_offset . ' cannot be saved to "' . $this->inline_attachments . '" (not writable)'; unset($parsedFrame['data']); break; } } // if we get this far, must be OK if (is_string($this->inline_attachments)) { $destination_filename = $this->inline_attachments . DIRECTORY_SEPARATOR . md5($info['filenamepath']) . '_' . $frame_offset; if (!file_exists($destination_filename) || is_writable($destination_filename)) { file_put_contents($destination_filename, $parsedFrame['data']); } else { $info['warning'][] = 'attachment at ' . $frame_offset . ' cannot be saved to "' . $destination_filename . '" (not writable)'; } $parsedFrame['data_filename'] = $destination_filename; unset($parsedFrame['data']); } else { if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { if (!isset($info['id3v2']['comments']['picture'])) { $info['id3v2']['comments']['picture'] = array(); } $info['id3v2']['comments']['picture'][] = array('data' => $parsedFrame['data'], 'image_mime' => $parsedFrame['image_mime']); } } } while (false); } } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'GEOB' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'GEO') { // 4.16 GEO General encapsulated object // There may be more than one 'GEOB' frame in each tag, // but only one with the same content descriptor // <Header for 'General encapsulated object', ID: 'GEOB'> // Text encoding $xx // MIME type <text string> $00 // Filename <text string according to encoding> $00 (00) // Content description <text string according to encoding> $00 (00) // Encapsulated object <binary data> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_mimetype) === 0) { $frame_mimetype = ''; } $frame_offset = $frame_terminatorpos + strlen(""); $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_filename = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_filename) === 0) { $frame_filename = ''; } $frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)); $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)); $parsedFrame['objectdata'] = (string) substr($parsedFrame['data'], $frame_offset); $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['mime'] = $frame_mimetype; $parsedFrame['filename'] = $frame_filename; $parsedFrame['description'] = $frame_description; unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'PCNT' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'CNT') { // 4.17 CNT Play counter // There may only be one 'PCNT' frame in each tag. // When the counter reaches all one's, one byte is inserted in // front of the counter thus making the counter eight bits bigger // <Header for 'Play counter', ID: 'PCNT'> // Counter $xx xx xx xx (xx ...) $parsedFrame['data'] = Helper::BigEndian2Int($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'POPM' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'POP') { // 4.18 POP Popularimeter // There may be more than one 'POPM' frame in each tag, // but only one with the same email address // <Header for 'Popularimeter', ID: 'POPM'> // Email to user <text string> $00 // Rating $xx // Counter $xx xx xx xx (xx ...) $frame_offset = 0; $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_emailaddress = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_emailaddress) === 0) { $frame_emailaddress = ''; } $frame_offset = $frame_terminatorpos + strlen(""); $frame_rating = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['counter'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset)); $parsedFrame['email'] = $frame_emailaddress; $parsedFrame['rating'] = $frame_rating; unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'RBUF' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'BUF') { // 4.19 BUF Recommended buffer size // There may only be one 'RBUF' frame in each tag // <Header for 'Recommended buffer size', ID: 'RBUF'> // Buffer size $xx xx xx // Embedded info flag %0000000x // Offset to next tag $xx xx xx xx $frame_offset = 0; $parsedFrame['buffersize'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 3)); $frame_offset += 3; $frame_embeddedinfoflags = Helper::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['flags']['embededinfo'] = (bool) substr($frame_embeddedinfoflags, 7, 1); $parsedFrame['nexttagoffset'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4)); unset($parsedFrame['data']); } elseif ($id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'CRM') { // 4.20 Encrypted meta frame (ID3v2.2 only) // There may be more than one 'CRM' frame in a tag, // but only one with the same 'owner identifier' // <Header for 'Encrypted meta frame', ID: 'CRM'> // Owner identifier <textstring> $00 (00) // Content/explanation <textstring> $00 (00) // Encrypted datablock <binary data> $frame_offset = 0; $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); $frame_offset = $frame_terminatorpos + strlen(""); $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $frame_offset = $frame_terminatorpos + strlen(""); $parsedFrame['ownerid'] = $frame_ownerid; $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); $parsedFrame['description'] = $frame_description; unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'AENC' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'CRA') { // 4.21 CRA Audio encryption // There may be more than one 'AENC' frames in a tag, // but only one with the same 'Owner identifier' // <Header for 'Audio encryption', ID: 'AENC'> // Owner identifier <text string> $00 // Preview start $xx xx // Preview length $xx xx // Encryption info <binary data> $frame_offset = 0; $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_ownerid) === 0) { $frame_ownerid == ''; } $frame_offset = $frame_terminatorpos + strlen(""); $parsedFrame['ownerid'] = $frame_ownerid; $parsedFrame['previewstart'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2)); $frame_offset += 2; $parsedFrame['previewlength'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2)); $frame_offset += 2; $parsedFrame['encryptioninfo'] = (string) substr($parsedFrame['data'], $frame_offset); unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'LINK' || $id3v2_majorversion == 2 && $parsedFrame['frame_name'] == 'LNK') { // 4.22 LNK Linked information // There may be more than one 'LINK' frame in a tag, // but only one with the same contents // <Header for 'Linked information', ID: 'LINK'> // ID3v2.3+ => Frame identifier $xx xx xx xx // ID3v2.2 => Frame identifier $xx xx xx // URL <text string> $00 // ID and additional data <text string(s)> $frame_offset = 0; if ($id3v2_majorversion == 2) { $parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 3); $frame_offset += 3; } else { $parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 4); $frame_offset += 4; } $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_url = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_url) === 0) { $frame_url = ''; } $frame_offset = $frame_terminatorpos + strlen(""); $parsedFrame['url'] = $frame_url; $parsedFrame['additionaldata'] = (string) substr($parsedFrame['data'], $frame_offset); if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = utf8_encode($parsedFrame['url']); } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'POSS') { // 4.21 POSS Position synchronisation frame (ID3v2.3+ only) // There may only be one 'POSS' frame in each tag // <Head for 'Position synchronisation', ID: 'POSS'> // Time stamp format $xx // Position $xx (xx ...) $frame_offset = 0; $parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['position'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset)); unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'USER') { // 4.22 USER Terms of use (ID3v2.3+ only) // There may be more than one 'Terms of use' frame in a tag, // but only one with the same 'Language' // <Header for 'Terms of use frame', ID: 'USER'> // Text encoding $xx // Language $xx xx xx // The actual text <text string according to encoding> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_language = substr($parsedFrame['data'], $frame_offset, 3); $frame_offset += 3; $parsedFrame['language'] = $frame_language; $parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false); $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) { $info['id3v2']['comments'][$parsedFrame['framenameshort']][] = Helper::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']); } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'OWNE') { // 4.23 OWNE Ownership frame (ID3v2.3+ only) // There may only be one 'OWNE' frame in a tag // <Header for 'Ownership frame', ID: 'OWNE'> // Text encoding $xx // Price paid <text string> $00 // Date of purch. <text string> // Seller <text string according to encoding> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_pricepaid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); $frame_offset = $frame_terminatorpos + strlen(""); $parsedFrame['pricepaid']['currencyid'] = substr($frame_pricepaid, 0, 3); $parsedFrame['pricepaid']['currency'] = $this->LookupCurrencyUnits($parsedFrame['pricepaid']['currencyid']); $parsedFrame['pricepaid']['value'] = substr($frame_pricepaid, 3); $parsedFrame['purchasedate'] = substr($parsedFrame['data'], $frame_offset, 8); if (!$this->IsValidDateStampString($parsedFrame['purchasedate'])) { $parsedFrame['purchasedateunix'] = mktime(0, 0, 0, substr($parsedFrame['purchasedate'], 4, 2), substr($parsedFrame['purchasedate'], 6, 2), substr($parsedFrame['purchasedate'], 0, 4)); } $frame_offset += 8; $parsedFrame['seller'] = (string) substr($parsedFrame['data'], $frame_offset); unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'COMR') { // 4.24 COMR Commercial frame (ID3v2.3+ only) // There may be more than one 'commercial frame' in a tag, // but no two may be identical // <Header for 'Commercial frame', ID: 'COMR'> // Text encoding $xx // Price string <text string> $00 // Valid until <text string> // Contact URL <text string> $00 // Received as $xx // Name of seller <text string according to encoding> $00 (00) // Description <text string according to encoding> $00 (00) // Picture MIME type <string> $00 // Seller logo <binary data> $frame_offset = 0; $frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1)); if ($id3v2_majorversion <= 3 && $frame_textencoding > 1 || $id3v2_majorversion == 4 && $frame_textencoding > 3) { $info['warning'][] = 'Invalid text encoding byte (' . $frame_textencoding . ') in frame "' . $parsedFrame['frame_name'] . '" - defaulting to ISO-8859-1 encoding'; } $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_pricestring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); $frame_offset = $frame_terminatorpos + strlen(""); $frame_rawpricearray = explode('/', $frame_pricestring); foreach ($frame_rawpricearray as $key => $val) { $frame_currencyid = substr($val, 0, 3); $parsedFrame['price'][$frame_currencyid]['currency'] = $this->LookupCurrencyUnits($frame_currencyid); $parsedFrame['price'][$frame_currencyid]['value'] = substr($val, 3); } $frame_datestring = substr($parsedFrame['data'], $frame_offset, 8); $frame_offset += 8; $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_contacturl = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); $frame_offset = $frame_terminatorpos + strlen(""); $frame_receivedasid = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_sellername = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_sellername) === 0) { $frame_sellername = ''; } $frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)); $frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset); if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) { ++$frame_terminatorpos; // strpos() fooled because 2nd byte of Unicode chars are often 0x00 } $frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_description) === 0) { $frame_description = ''; } $frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)); $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); $frame_offset = $frame_terminatorpos + strlen(""); $frame_sellerlogo = substr($parsedFrame['data'], $frame_offset); $parsedFrame['encodingid'] = $frame_textencoding; $parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding); $parsedFrame['pricevaliduntil'] = $frame_datestring; $parsedFrame['contacturl'] = $frame_contacturl; $parsedFrame['receivedasid'] = $frame_receivedasid; $parsedFrame['receivedas'] = $this->COMRReceivedAsLookup($frame_receivedasid); $parsedFrame['sellername'] = $frame_sellername; $parsedFrame['description'] = $frame_description; $parsedFrame['mime'] = $frame_mimetype; $parsedFrame['logo'] = $frame_sellerlogo; unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'ENCR') { // 4.25 ENCR Encryption method registration (ID3v2.3+ only) // There may be several 'ENCR' frames in a tag, // but only one containing the same symbol // and only one containing the same owner identifier // <Header for 'Encryption method registration', ID: 'ENCR'> // Owner identifier <text string> $00 // Method symbol $xx // Encryption data <binary data> $frame_offset = 0; $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_ownerid) === 0) { $frame_ownerid = ''; } $frame_offset = $frame_terminatorpos + strlen(""); $parsedFrame['ownerid'] = $frame_ownerid; $parsedFrame['methodsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'GRID') { // 4.26 GRID Group identification registration (ID3v2.3+ only) // There may be several 'GRID' frames in a tag, // but only one containing the same symbol // and only one containing the same owner identifier // <Header for 'Group ID registration', ID: 'GRID'> // Owner identifier <text string> $00 // Group symbol $xx // Group dependent data <binary data> $frame_offset = 0; $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_ownerid) === 0) { $frame_ownerid = ''; } $frame_offset = $frame_terminatorpos + strlen(""); $parsedFrame['ownerid'] = $frame_ownerid; $parsedFrame['groupsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'PRIV') { // 4.27 PRIV Private frame (ID3v2.3+ only) // The tag may contain more than one 'PRIV' frame // but only with different contents // <Header for 'Private frame', ID: 'PRIV'> // Owner identifier <text string> $00 // The private data <binary data> $frame_offset = 0; $frame_terminatorpos = strpos($parsedFrame['data'], "", $frame_offset); $frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset); if (ord($frame_ownerid) === 0) { $frame_ownerid = ''; } $frame_offset = $frame_terminatorpos + strlen(""); $parsedFrame['ownerid'] = $frame_ownerid; $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); } elseif ($id3v2_majorversion >= 4 && $parsedFrame['frame_name'] == 'SIGN') { // 4.28 SIGN Signature frame (ID3v2.4+ only) // There may be more than one 'signature frame' in a tag, // but no two may be identical // <Header for 'Signature frame', ID: 'SIGN'> // Group symbol $xx // Signature <binary data> $frame_offset = 0; $parsedFrame['groupsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset); } elseif ($id3v2_majorversion >= 4 && $parsedFrame['frame_name'] == 'SEEK') { // 4.29 SEEK Seek frame (ID3v2.4+ only) // There may only be one 'seek frame' in a tag // <Header for 'Seek frame', ID: 'SEEK'> // Minimum offset to next tag $xx xx xx xx $frame_offset = 0; $parsedFrame['data'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4)); } elseif ($id3v2_majorversion >= 4 && $parsedFrame['frame_name'] == 'ASPI') { // 4.30 ASPI Audio seek point index (ID3v2.4+ only) // There may only be one 'audio seek point index' frame in a tag // <Header for 'Seek Point Index', ID: 'ASPI'> // Indexed data start (S) $xx xx xx xx // Indexed data length (L) $xx xx xx xx // Number of index points (N) $xx xx // Bits per index point (b) $xx // Then for every index point the following data is included: // Fraction at index (Fi) $xx (xx) $frame_offset = 0; $parsedFrame['datastart'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4)); $frame_offset += 4; $parsedFrame['indexeddatalength'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4)); $frame_offset += 4; $parsedFrame['indexpoints'] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2)); $frame_offset += 2; $parsedFrame['bitsperpoint'] = ord(substr($parsedFrame['data'], $frame_offset++, 1)); $frame_bytesperpoint = ceil($parsedFrame['bitsperpoint'] / 8); for ($i = 0; $i < $frame_indexpoints; ++$i) { $parsedFrame['indexes'][$i] = Helper::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesperpoint)); $frame_offset += $frame_bytesperpoint; } unset($parsedFrame['data']); } elseif ($id3v2_majorversion >= 3 && $parsedFrame['frame_name'] == 'RGAD') { // Replay Gain Adjustment // http://privatewww.essex.ac.uk/~djmrob/replaygain/file_format_id3v2.html // There may only be one 'RGAD' frame in a tag // <Header for 'Replay Gain Adjustment', ID: 'RGAD'> // Peak Amplitude $xx $xx $xx $xx // Radio Replay Gain Adjustment %aaabbbcd %dddddddd // Audiophile Replay Gain Adjustment %aaabbbcd %dddddddd // a - name code // b - originator code // c - sign bit // d - replay gain adjustment $frame_offset = 0; $parsedFrame['peakamplitude'] = Helper::BigEndian2Float(substr($parsedFrame['data'], $frame_offset, 4)); $frame_offset += 4; $rg_track_adjustment = Helper::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2)); $frame_offset += 2; $rg_album_adjustment = Helper::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2)); $frame_offset += 2; $parsedFrame['raw']['track']['name'] = Helper::Bin2Dec(substr($rg_track_adjustment, 0, 3)); $parsedFrame['raw']['track']['originator'] = Helper::Bin2Dec(substr($rg_track_adjustment, 3, 3)); $parsedFrame['raw']['track']['signbit'] = Helper::Bin2Dec(substr($rg_track_adjustment, 6, 1)); $parsedFrame['raw']['track']['adjustment'] = Helper::Bin2Dec(substr($rg_track_adjustment, 7, 9)); $parsedFrame['raw']['album']['name'] = Helper::Bin2Dec(substr($rg_album_adjustment, 0, 3)); $parsedFrame['raw']['album']['originator'] = Helper::Bin2Dec(substr($rg_album_adjustment, 3, 3)); $parsedFrame['raw']['album']['signbit'] = Helper::Bin2Dec(substr($rg_album_adjustment, 6, 1)); $parsedFrame['raw']['album']['adjustment'] = Helper::Bin2Dec(substr($rg_album_adjustment, 7, 9)); $parsedFrame['track']['name'] = Helper::RGADnameLookup($parsedFrame['raw']['track']['name']); $parsedFrame['track']['originator'] = Helper::RGADoriginatorLookup($parsedFrame['raw']['track']['originator']); $parsedFrame['track']['adjustment'] = Helper::RGADadjustmentLookup($parsedFrame['raw']['track']['adjustment'], $parsedFrame['raw']['track']['signbit']); $parsedFrame['album']['name'] = Helper::RGADnameLookup($parsedFrame['raw']['album']['name']); $parsedFrame['album']['originator'] = Helper::RGADoriginatorLookup($parsedFrame['raw']['album']['originator']); $parsedFrame['album']['adjustment'] = Helper::RGADadjustmentLookup($parsedFrame['raw']['album']['adjustment'], $parsedFrame['raw']['album']['signbit']); $info['replay_gain']['track']['peak'] = $parsedFrame['peakamplitude']; $info['replay_gain']['track']['originator'] = $parsedFrame['track']['originator']; $info['replay_gain']['track']['adjustment'] = $parsedFrame['track']['adjustment']; $info['replay_gain']['album']['originator'] = $parsedFrame['album']['originator']; $info['replay_gain']['album']['adjustment'] = $parsedFrame['album']['adjustment']; unset($parsedFrame['data']); } return true; }
/** * @return bool */ public function analyze() { $info =& $this->getid3->info; // initialize these values to an empty array, otherwise they default to NULL // and you can't append array values to a NULL value $info['riff'] = array('raw' => array()); // Shortcuts $thisfile_riff =& $info['riff']; $thisfile_riff_raw =& $thisfile_riff['raw']; $thisfile_audio =& $info['audio']; $thisfile_video =& $info['video']; $thisfile_audio_dataformat =& $thisfile_audio['dataformat']; $thisfile_riff_audio =& $thisfile_riff['audio']; $thisfile_riff_video =& $thisfile_riff['video']; $Original['avdataoffset'] = $info['avdataoffset']; $Original['avdataend'] = $info['avdataend']; fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET); $RIFFheader = fread($this->getid3->fp, 12); $RIFFsubtype = substr($RIFFheader, 8, 4); switch (substr($RIFFheader, 0, 4)) { case 'FORM': $info['fileformat'] = 'aiff'; $thisfile_riff['header_size'] = $this->EitherEndian2Int(substr($RIFFheader, 4, 4)); $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($info['avdataoffset'] + 12, $info['avdataoffset'] + $thisfile_riff['header_size']); break; case 'RIFF': // AVI, WAV, etc // AVI, WAV, etc case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s $info['fileformat'] = 'riff'; $thisfile_riff['header_size'] = $this->EitherEndian2Int(substr($RIFFheader, 4, 4)); if ($RIFFsubtype == 'RMP3') { // RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s $RIFFsubtype = 'WAVE'; } $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($info['avdataoffset'] + 12, $info['avdataoffset'] + $thisfile_riff['header_size']); if ($info['avdataend'] - $info['filesize'] == 1) { // LiteWave appears to incorrectly *not* pad actual output file // to nearest WORD boundary so may appear to be short by one // byte, in which case - skip warning $info['avdataend'] = $info['filesize']; } $nextRIFFoffset = $Original['avdataoffset'] + 8 + $thisfile_riff['header_size']; // 8 = "RIFF" + 32-bit offset while ($nextRIFFoffset < min($info['filesize'], $info['avdataend'])) { if (!Helper::intValueSupported($nextRIFFoffset + 1024)) { $info['error'][] = 'AVI extends beyond ' . round(PHP_INT_MAX / 1073741824) . 'GB and PHP filesystem functions cannot read that far, playtime is probably wrong'; $info['warning'][] = '[avdataend] value may be incorrect, multiple AVIX chunks may be present'; break; } else { fseek($this->getid3->fp, $nextRIFFoffset, SEEK_SET); $nextRIFFheader = fread($this->getid3->fp, 12); if ($nextRIFFoffset == $info['avdataend'] - 1) { if (substr($nextRIFFheader, 0, 1) == "") { // RIFF padded to WORD boundary, we're actually already at the end break; } } $nextRIFFheaderID = substr($nextRIFFheader, 0, 4); $nextRIFFsize = $this->EitherEndian2Int(substr($nextRIFFheader, 4, 4)); $nextRIFFtype = substr($nextRIFFheader, 8, 4); $chunkdata = array(); $chunkdata['offset'] = $nextRIFFoffset + 8; $chunkdata['size'] = $nextRIFFsize; $nextRIFFoffset = $chunkdata['offset'] + $chunkdata['size']; switch ($nextRIFFheaderID) { case 'RIFF': $info['avdataend'] = $nextRIFFoffset; if (!Helper::intValueSupported($info['avdataend'])) { $info['error'][] = 'AVI extends beyond ' . round(PHP_INT_MAX / 1073741824) . 'GB and PHP filesystem functions cannot read that far, playtime is probably wrong'; $info['warning'][] = '[avdataend] value may be incorrect, multiple AVIX chunks may be present'; } $chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $chunkdata['offset'] + $chunkdata['size']); if (!isset($thisfile_riff[$nextRIFFtype])) { $thisfile_riff[$nextRIFFtype] = array(); } $thisfile_riff[$nextRIFFtype][] = $chunkdata; break; case 'JUNK': // ignore $thisfile_riff[$nextRIFFheaderID][] = $chunkdata; break; default: if ($info['filesize'] == $chunkdata['offset'] - 8 + 128) { $DIVXTAG = $nextRIFFheader . fread($this->getid3->fp, 128 - 12); if (substr($DIVXTAG, -7) == 'DIVXTAG') { // DIVXTAG is supposed to be inside an IDVX chunk in a LIST chunk, but some bad encoders just slap it on the end of a file $info['warning'][] = 'Found wrongly-structured DIVXTAG at offset ' . (ftell($this->getid3->fp) - 128 + 12) . ', parsing anyway'; $thisfile_riff['DIVXTAG'] = $this->ParseDIVXTAG($DIVXTAG); foreach ($thisfile_riff['DIVXTAG'] as $key => $value) { if ($value && !preg_match('#_id$#', $key)) { $thisfile_riff['comments'][$key][] = $value; } } break 2; } } $info['warning'][] = 'expecting "RIFF" or "JUNK" at ' . $nextRIFFoffset . ', found ' . Helper::PrintHexBytes(substr($nextRIFFheader, 0, 4)) . ' - skipping rest of file'; break 2; } } } if ($RIFFsubtype == 'WAVE') { $thisfile_riff_WAVE =& $thisfile_riff['WAVE']; } break; default: $info['error'][] = 'Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "' . $RIFFsubtype . '" instead'; unset($info['fileformat']); return false; break; } $streamindex = 0; switch ($RIFFsubtype) { case 'WAVE': if (empty($thisfile_audio['bitrate_mode'])) { $thisfile_audio['bitrate_mode'] = 'cbr'; } if (empty($thisfile_audio_dataformat)) { $thisfile_audio_dataformat = 'wav'; } if (isset($thisfile_riff_WAVE['data'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff_WAVE['data'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff_WAVE['data'][0]['size']; } if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) { $thisfile_riff_audio[$streamindex] = self::RIFFparseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']); $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; if (!isset($thisfile_riff_audio[$streamindex]['bitrate']) || $thisfile_riff_audio[$streamindex]['bitrate'] == 0) { $info['error'][] = 'Corrupt RIFF file: bitrate_audio == zero'; return false; } $thisfile_riff_raw['fmt '] = $thisfile_riff_audio[$streamindex]['raw']; unset($thisfile_riff_audio[$streamindex]['raw']); $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex]; $thisfile_audio = Helper::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') { $info['warning'][] = 'Audio codec = ' . $thisfile_audio['codec']; } $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; $info['playtime_seconds'] = (double) (($info['avdataend'] - $info['avdataoffset']) * 8 / $thisfile_audio['bitrate']); $thisfile_audio['lossless'] = false; if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { case 0x1: // PCM $thisfile_audio['lossless'] = true; break; case 0x2000: // AC-3 $thisfile_audio_dataformat = 'ac3'; break; default: // do nothing break; } } $thisfile_audio['streams'][$streamindex]['wformattag'] = $thisfile_audio['wformattag']; $thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; $thisfile_audio['streams'][$streamindex]['lossless'] = $thisfile_audio['lossless']; $thisfile_audio['streams'][$streamindex]['dataformat'] = $thisfile_audio_dataformat; } if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) { // shortcuts $rgadData =& $thisfile_riff_WAVE['rgad'][0]['data']; $thisfile_riff_raw['rgad'] = array('track' => array(), 'album' => array()); $thisfile_riff_raw_rgad =& $thisfile_riff_raw['rgad']; $thisfile_riff_raw_rgad_track =& $thisfile_riff_raw_rgad['track']; $thisfile_riff_raw_rgad_album =& $thisfile_riff_raw_rgad['album']; $thisfile_riff_raw_rgad['fPeakAmplitude'] = Helper::LittleEndian2Float(substr($rgadData, 0, 4)); $thisfile_riff_raw_rgad['nRadioRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 4, 2)); $thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 6, 2)); $nRadioRgAdjustBitstring = str_pad(Helper::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT); $nAudiophileRgAdjustBitstring = str_pad(Helper::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT); $thisfile_riff_raw_rgad_track['name'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_track['originator'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_track['signbit'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_track['adjustment'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9)); $thisfile_riff_raw_rgad_album['name'] = Helper::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_album['originator'] = Helper::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_album['signbit'] = Helper::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_album['adjustment'] = Helper::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9)); $thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude']; if ($thisfile_riff_raw_rgad_track['name'] != 0 && $thisfile_riff_raw_rgad_track['originator'] != 0) { $thisfile_riff['rgad']['track']['name'] = Helper::RGADnameLookup($thisfile_riff_raw_rgad_track['name']); $thisfile_riff['rgad']['track']['originator'] = Helper::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']); $thisfile_riff['rgad']['track']['adjustment'] = Helper::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']); } if ($thisfile_riff_raw_rgad_album['name'] != 0 && $thisfile_riff_raw_rgad_album['originator'] != 0) { $thisfile_riff['rgad']['album']['name'] = Helper::RGADnameLookup($thisfile_riff_raw_rgad_album['name']); $thisfile_riff['rgad']['album']['originator'] = Helper::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']); $thisfile_riff['rgad']['album']['adjustment'] = Helper::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']); } } if (isset($thisfile_riff_WAVE['fact'][0]['data'])) { $thisfile_riff_raw['fact']['NumberOfSamples'] = $this->EitherEndian2Int(substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4)); // This should be a good way of calculating exact playtime, // but some sample files have had incorrect number of samples, // so cannot use this method // if (!empty($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) { // $info['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec']; // } } if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) { $thisfile_audio['bitrate'] = Helper::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8); } if (isset($thisfile_riff_WAVE['bext'][0]['data'])) { // shortcut $thisfile_riff_WAVE_bext_0 =& $thisfile_riff_WAVE['bext'][0]; $thisfile_riff_WAVE_bext_0['title'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 0, 256)); $thisfile_riff_WAVE_bext_0['author'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 256, 32)); $thisfile_riff_WAVE_bext_0['reference'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 288, 32)); $thisfile_riff_WAVE_bext_0['origin_date'] = substr($thisfile_riff_WAVE_bext_0['data'], 320, 10); $thisfile_riff_WAVE_bext_0['origin_time'] = substr($thisfile_riff_WAVE_bext_0['data'], 330, 8); $thisfile_riff_WAVE_bext_0['time_reference'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8)); $thisfile_riff_WAVE_bext_0['bwf_version'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346, 1)); $thisfile_riff_WAVE_bext_0['reserved'] = substr($thisfile_riff_WAVE_bext_0['data'], 347, 254); $thisfile_riff_WAVE_bext_0['coding_history'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601))); if (preg_match('#^([0-9]{4}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_date'], $matches_bext_date)) { if (preg_match('#^([0-9]{2}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_time'], $matches_bext_time)) { list($dummy, $bext_timestamp['year'], $bext_timestamp['month'], $bext_timestamp['day']) = $matches_bext_date; list($dummy, $bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second']) = $matches_bext_time; $thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime($bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second'], $bext_timestamp['month'], $bext_timestamp['day'], $bext_timestamp['year']); } else { $info['warning'][] = 'RIFF.WAVE.BEXT.origin_time is invalid'; } } else { $info['warning'][] = 'RIFF.WAVE.BEXT.origin_date is invalid'; } $thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author']; $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_bext_0['title']; } if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) { // shortcut $thisfile_riff_WAVE_MEXT_0 =& $thisfile_riff_WAVE['MEXT'][0]; $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2)); $thisfile_riff_WAVE_MEXT_0['flags']['homogenous'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x1); if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) { $thisfile_riff_WAVE_MEXT_0['flags']['padding'] = $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x2 ? false : true; $thisfile_riff_WAVE_MEXT_0['flags']['22_or_44'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x4); $thisfile_riff_WAVE_MEXT_0['flags']['free_format'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x8); $thisfile_riff_WAVE_MEXT_0['nominal_frame_size'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2)); } $thisfile_riff_WAVE_MEXT_0['anciliary_data_length'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2)); $thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 8, 2)); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_left'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x1); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x2); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x4); } if (isset($thisfile_riff_WAVE['cart'][0]['data'])) { // shortcut $thisfile_riff_WAVE_cart_0 =& $thisfile_riff_WAVE['cart'][0]; $thisfile_riff_WAVE_cart_0['version'] = substr($thisfile_riff_WAVE_cart_0['data'], 0, 4); $thisfile_riff_WAVE_cart_0['title'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 4, 64)); $thisfile_riff_WAVE_cart_0['artist'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 68, 64)); $thisfile_riff_WAVE_cart_0['cut_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 132, 64)); $thisfile_riff_WAVE_cart_0['client_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 196, 64)); $thisfile_riff_WAVE_cart_0['category'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 260, 64)); $thisfile_riff_WAVE_cart_0['classification'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 324, 64)); $thisfile_riff_WAVE_cart_0['out_cue'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 388, 64)); $thisfile_riff_WAVE_cart_0['start_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 452, 10)); $thisfile_riff_WAVE_cart_0['start_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 462, 8)); $thisfile_riff_WAVE_cart_0['end_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 470, 10)); $thisfile_riff_WAVE_cart_0['end_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 480, 8)); $thisfile_riff_WAVE_cart_0['producer_app_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 488, 64)); $thisfile_riff_WAVE_cart_0['producer_app_version'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 552, 64)); $thisfile_riff_WAVE_cart_0['user_defined_text'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 616, 64)); $thisfile_riff_WAVE_cart_0['zero_db_reference'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 680, 4), true); for ($i = 0; $i < 8; ++$i) { $thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] = substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8, 4); $thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8 + 4, 4)); } $thisfile_riff_WAVE_cart_0['url'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 748, 1024)); $thisfile_riff_WAVE_cart_0['tag_text'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772))); $thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist']; $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_cart_0['title']; } if (isset($thisfile_riff_WAVE['SNDM'][0]['data'])) { // SoundMiner metadata // shortcuts $thisfile_riff_WAVE_SNDM_0 =& $thisfile_riff_WAVE['SNDM'][0]; $thisfile_riff_WAVE_SNDM_0_data =& $thisfile_riff_WAVE_SNDM_0['data']; $SNDM_startoffset = 0; $SNDM_endoffset = $thisfile_riff_WAVE_SNDM_0['size']; while ($SNDM_startoffset < $SNDM_endoffset) { $SNDM_thisTagOffset = 0; $SNDM_thisTagSize = Helper::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4)); $SNDM_thisTagOffset += 4; $SNDM_thisTagKey = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4); $SNDM_thisTagOffset += 4; $SNDM_thisTagDataSize = Helper::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2)); $SNDM_thisTagOffset += 2; $SNDM_thisTagDataFlags = Helper::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2)); $SNDM_thisTagOffset += 2; $SNDM_thisTagDataText = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, $SNDM_thisTagDataSize); $SNDM_thisTagOffset += $SNDM_thisTagDataSize; if ($SNDM_thisTagSize != 4 + 4 + 2 + 2 + $SNDM_thisTagDataSize) { $info['warning'][] = 'RIFF.WAVE.SNDM.data contains tag not expected length (expected: ' . $SNDM_thisTagSize . ', found: ' . (4 + 4 + 2 + 2 + $SNDM_thisTagDataSize) . ') at offset ' . $SNDM_startoffset . ' (file offset ' . ($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset) . ')'; break; } elseif ($SNDM_thisTagSize <= 0) { $info['warning'][] = 'RIFF.WAVE.SNDM.data contains zero-size tag at offset ' . $SNDM_startoffset . ' (file offset ' . ($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset) . ')'; break; } $SNDM_startoffset += $SNDM_thisTagSize; $thisfile_riff_WAVE_SNDM_0['parsed_raw'][$SNDM_thisTagKey] = $SNDM_thisTagDataText; if ($parsedkey = $this->RIFFwaveSNDMtagLookup($SNDM_thisTagKey)) { $thisfile_riff_WAVE_SNDM_0['parsed'][$parsedkey] = $SNDM_thisTagDataText; } else { $info['warning'][] = 'RIFF.WAVE.SNDM contains unknown tag "' . $SNDM_thisTagKey . '" at offset ' . $SNDM_startoffset . ' (file offset ' . ($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset) . ')'; } } $tagmapping = array('tracktitle' => 'title', 'category' => 'genre', 'cdtitle' => 'album', 'tracktitle' => 'title'); foreach ($tagmapping as $fromkey => $tokey) { if (isset($thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey])) { $thisfile_riff['comments'][$tokey][] = $thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey]; } } } if (isset($thisfile_riff_WAVE['iXML'][0]['data'])) { // requires functions simplexml_load_string and get_object_vars if ($parsedXML = Helper::XML2array($thisfile_riff_WAVE['iXML'][0]['data'])) { $thisfile_riff_WAVE['iXML'][0]['parsed'] = $parsedXML; if (isset($parsedXML['SPEED']['MASTER_SPEED'])) { @(list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['MASTER_SPEED'])); $thisfile_riff_WAVE['iXML'][0]['master_speed'] = $numerator / ($denominator ? $denominator : 1000); } if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) { @(list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE'])); $thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = $numerator / ($denominator ? $denominator : 1000); } if (isset($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO']) && !empty($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) && !empty($thisfile_riff_WAVE['iXML'][0]['timecode_rate'])) { $samples_since_midnight = floatval(ltrim($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_HI'] . $parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO'], '0')); $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] = $samples_since_midnight / $parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']; $h = floor($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] / 3600); $m = floor(($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - $h * 3600) / 60); $s = floor($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - $h * 3600 - $m * 60); $f = ($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - $h * 3600 - $m * 60 - $s) * $thisfile_riff_WAVE['iXML'][0]['timecode_rate']; $thisfile_riff_WAVE['iXML'][0]['timecode_string'] = sprintf('%02d:%02d:%02d:%05.2f', $h, $m, $s, $f); $thisfile_riff_WAVE['iXML'][0]['timecode_string_round'] = sprintf('%02d:%02d:%02d:%02d', $h, $m, $s, round($f)); } unset($parsedXML); } } if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) { $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; $info['playtime_seconds'] = (double) (($info['avdataend'] - $info['avdataoffset']) * 8 / $thisfile_audio['bitrate']); } if (!empty($info['wavpack'])) { $thisfile_audio_dataformat = 'wavpack'; $thisfile_audio['bitrate_mode'] = 'vbr'; $thisfile_audio['encoder'] = 'WavPack v' . $info['wavpack']['version']; // Reset to the way it was - RIFF parsing will have messed this up $info['avdataend'] = $Original['avdataend']; $thisfile_audio['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) * 8 / $info['playtime_seconds']; fseek($this->getid3->fp, $info['avdataoffset'] - 44, SEEK_SET); $RIFFdata = fread($this->getid3->fp, 44); $OrignalRIFFheaderSize = Helper::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8; $OrignalRIFFdataSize = Helper::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44; if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) { $info['avdataend'] -= $OrignalRIFFheaderSize - $OrignalRIFFdataSize; fseek($this->getid3->fp, $info['avdataend'], SEEK_SET); $RIFFdata .= fread($this->getid3->fp, $OrignalRIFFheaderSize - $OrignalRIFFdataSize); } // move the data chunk after all other chunks (if any) // so that the RIFF parser doesn't see EOF when trying // to skip over the data chunk $RIFFdata = substr($RIFFdata, 0, 36) . substr($RIFFdata, 44) . substr($RIFFdata, 36, 8); $getid3_riff = new self($this->getid3); $getid3_riff->ParseRIFFdata($RIFFdata); unset($getid3_riff); } if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { case 0x1: // PCM if (!empty($info['ac3'])) { // Dolby Digital WAV files masquerade as PCM-WAV, but they're not $thisfile_audio['wformattag'] = 0x2000; $thisfile_audio['codec'] = $this->RIFFwFormatTagLookup($thisfile_audio['wformattag']); $thisfile_audio['lossless'] = false; $thisfile_audio['bitrate'] = $info['ac3']['bitrate']; $thisfile_audio['sample_rate'] = $info['ac3']['sample_rate']; } break; case 0x8ae: // ClearJump LiteWave $thisfile_audio['bitrate_mode'] = 'vbr'; $thisfile_audio_dataformat = 'litewave'; //typedef struct tagSLwFormat { // WORD m_wCompFormat; // low byte defines compression method, high byte is compression flags // DWORD m_dwScale; // scale factor for lossy compression // DWORD m_dwBlockSize; // number of samples in encoded blocks // WORD m_wQuality; // alias for the scale factor // WORD m_wMarkDistance; // distance between marks in bytes // WORD m_wReserved; // // //following paramters are ignored if CF_FILESRC is not set // DWORD m_dwOrgSize; // original file size in bytes // WORD m_bFactExists; // indicates if 'fact' chunk exists in the original file // DWORD m_dwRiffChunkSize; // riff chunk size in the original file // // PCMWAVEFORMAT m_OrgWf; // original wave format // }SLwFormat, *PSLwFormat; // shortcut $thisfile_riff['litewave']['raw'] = array(); $thisfile_riff_litewave =& $thisfile_riff['litewave']; $thisfile_riff_litewave_raw =& $thisfile_riff_litewave['raw']; $thisfile_riff_litewave_raw['compression_method'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 18, 1)); $thisfile_riff_litewave_raw['compression_flags'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 19, 1)); $thisfile_riff_litewave_raw['m_dwScale'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 20, 4)); $thisfile_riff_litewave_raw['m_dwBlockSize'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 24, 4)); $thisfile_riff_litewave_raw['m_wQuality'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 28, 2)); $thisfile_riff_litewave_raw['m_wMarkDistance'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 30, 2)); $thisfile_riff_litewave_raw['m_wReserved'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 32, 2)); $thisfile_riff_litewave_raw['m_dwOrgSize'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 34, 4)); $thisfile_riff_litewave_raw['m_bFactExists'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 38, 2)); $thisfile_riff_litewave_raw['m_dwRiffChunkSize'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 40, 4)); //$thisfile_riff_litewave['quality_factor'] = intval(round((2000 - $thisfile_riff_litewave_raw['m_dwScale']) / 20)); $thisfile_riff_litewave['quality_factor'] = $thisfile_riff_litewave_raw['m_wQuality']; $thisfile_riff_litewave['flags']['raw_source'] = $thisfile_riff_litewave_raw['compression_flags'] & 0x1 ? false : true; $thisfile_riff_litewave['flags']['vbr_blocksize'] = $thisfile_riff_litewave_raw['compression_flags'] & 0x2 ? false : true; $thisfile_riff_litewave['flags']['seekpoints'] = (bool) ($thisfile_riff_litewave_raw['compression_flags'] & 0x4); $thisfile_audio['lossless'] = $thisfile_riff_litewave_raw['m_wQuality'] == 100 ? true : false; $thisfile_audio['encoder_options'] = '-q' . $thisfile_riff_litewave['quality_factor']; break; default: break; } } if ($info['avdataend'] > $info['filesize']) { switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') { case 'wavpack': // WavPack // WavPack case 'lpac': // LPAC // LPAC case 'ofr': // OptimFROG // OptimFROG case 'ofs': // OptimFROG DualStream // lossless compressed audio formats that keep original RIFF headers - skip warning break; case 'litewave': if ($info['avdataend'] - $info['filesize'] == 1) { // LiteWave appears to incorrectly *not* pad actual output file // to nearest WORD boundary so may appear to be short by one // byte, in which case - skip warning } else { // Short by more than one byte, throw warning $info['warning'][] = 'Probably truncated file - expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' (short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])) . ' bytes)'; $info['avdataend'] = $info['filesize']; } break; default: if ($info['avdataend'] - $info['filesize'] == 1 && $thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2 == 0 && ($info['filesize'] - $info['avdataoffset']) % 2 == 1) { // output file appears to be incorrectly *not* padded to nearest WORD boundary // Output less severe warning $info['warning'][] = 'File should probably be padded to nearest WORD boundary, but it is not (expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' therefore short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])) . ' bytes)'; $info['avdataend'] = $info['filesize']; } else { // Short by more than one byte, throw warning $info['warning'][] = 'Probably truncated file - expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' (short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])) . ' bytes)'; $info['avdataend'] = $info['filesize']; } break; } } if (!empty($info['mpeg']['audio']['LAME']['audio_bytes'])) { if ($info['avdataend'] - $info['avdataoffset'] - $info['mpeg']['audio']['LAME']['audio_bytes'] == 1) { --$info['avdataend']; $info['warning'][] = 'Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'; } } if (isset($thisfile_audio_dataformat) && $thisfile_audio_dataformat == 'ac3') { unset($thisfile_audio['bits_per_sample']); if (!empty($info['ac3']['bitrate']) && $info['ac3']['bitrate'] != $thisfile_audio['bitrate']) { $thisfile_audio['bitrate'] = $info['ac3']['bitrate']; } } break; case 'AVI ': $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably $thisfile_video['dataformat'] = 'avi'; $info['mime_type'] = 'video/avi'; if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8; if (isset($thisfile_riff['AVIX'])) { $info['avdataend'] = $thisfile_riff['AVIX'][count($thisfile_riff['AVIX']) - 1]['chunks']['movi']['offset'] + $thisfile_riff['AVIX'][count($thisfile_riff['AVIX']) - 1]['chunks']['movi']['size']; } else { $info['avdataend'] = $thisfile_riff['AVI ']['movi']['offset'] + $thisfile_riff['AVI ']['movi']['size']; } if ($info['avdataend'] > $info['filesize']) { $info['warning'][] = 'Probably truncated file - expecting ' . ($info['avdataend'] - $info['avdataoffset']) . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' (short by ' . ($info['avdataend'] - $info['filesize']) . ' bytes)'; $info['avdataend'] = $info['filesize']; } } if (isset($thisfile_riff['AVI ']['hdrl']['strl']['indx'])) { //$bIndexType = array( // 0x00 => 'AVI_INDEX_OF_INDEXES', // 0x01 => 'AVI_INDEX_OF_CHUNKS', // 0x80 => 'AVI_INDEX_IS_DATA', //); //$bIndexSubtype = array( // 0x01 => array( // 0x01 => 'AVI_INDEX_2FIELD', // ), //); foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) { $thisfile_riff_avi_hdrl_strl_indx_stream_data =& $thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data']; $thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 0, 2)); $thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 2, 1)); $thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 3, 1)); $thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 4, 4)); $thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 8, 4); $thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 12, 4)); //$thisfile_riff_raw['indx'][$streamnumber]['bIndexType_name'] = $bIndexType[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']]; //$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType_name'] = $bIndexSubtype[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']][$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']]; unset($thisfile_riff_avi_hdrl_strl_indx_stream_data); } } if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) { $avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data']; // shortcut $thisfile_riff_raw['avih'] = array(); $thisfile_riff_raw_avih =& $thisfile_riff_raw['avih']; $thisfile_riff_raw_avih['dwMicroSecPerFrame'] = $this->EitherEndian2Int(substr($avihData, 0, 4)); // frame display rate (or 0L) if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) { $info['error'][] = 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero'; return false; } $thisfile_riff_raw_avih['dwMaxBytesPerSec'] = $this->EitherEndian2Int(substr($avihData, 4, 4)); // max. transfer rate $thisfile_riff_raw_avih['dwPaddingGranularity'] = $this->EitherEndian2Int(substr($avihData, 8, 4)); // pad to multiples of this size; normally 2K. $thisfile_riff_raw_avih['dwFlags'] = $this->EitherEndian2Int(substr($avihData, 12, 4)); // the ever-present flags $thisfile_riff_raw_avih['dwTotalFrames'] = $this->EitherEndian2Int(substr($avihData, 16, 4)); // # frames in file $thisfile_riff_raw_avih['dwInitialFrames'] = $this->EitherEndian2Int(substr($avihData, 20, 4)); $thisfile_riff_raw_avih['dwStreams'] = $this->EitherEndian2Int(substr($avihData, 24, 4)); $thisfile_riff_raw_avih['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($avihData, 28, 4)); $thisfile_riff_raw_avih['dwWidth'] = $this->EitherEndian2Int(substr($avihData, 32, 4)); $thisfile_riff_raw_avih['dwHeight'] = $this->EitherEndian2Int(substr($avihData, 36, 4)); $thisfile_riff_raw_avih['dwScale'] = $this->EitherEndian2Int(substr($avihData, 40, 4)); $thisfile_riff_raw_avih['dwRate'] = $this->EitherEndian2Int(substr($avihData, 44, 4)); $thisfile_riff_raw_avih['dwStart'] = $this->EitherEndian2Int(substr($avihData, 48, 4)); $thisfile_riff_raw_avih['dwLength'] = $this->EitherEndian2Int(substr($avihData, 52, 4)); $thisfile_riff_raw_avih['flags']['hasindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x10); $thisfile_riff_raw_avih['flags']['mustuseindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x20); $thisfile_riff_raw_avih['flags']['interleaved'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x100); $thisfile_riff_raw_avih['flags']['trustcktype'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x800); $thisfile_riff_raw_avih['flags']['capturedfile'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x10000); $thisfile_riff_raw_avih['flags']['copyrighted'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x20010); // shortcut $thisfile_riff_video[$streamindex] = array(); $thisfile_riff_video_current =& $thisfile_riff_video[$streamindex]; if ($thisfile_riff_raw_avih['dwWidth'] > 0) { $thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth']; $thisfile_video['resolution_x'] = $thisfile_riff_video_current['frame_width']; } if ($thisfile_riff_raw_avih['dwHeight'] > 0) { $thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight']; $thisfile_video['resolution_y'] = $thisfile_riff_video_current['frame_height']; } if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) { $thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames']; $thisfile_video['total_frames'] = $thisfile_riff_video_current['total_frames']; } $thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3); $thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate']; } if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) { if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) { for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); ++$i) { if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) { $strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data']; $strhfccType = substr($strhData, 0, 4); if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) { $strfData = $thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data']; // shortcut $thisfile_riff_raw_strf_strhfccType_streamindex =& $thisfile_riff_raw['strf'][$strhfccType][$streamindex]; switch ($strhfccType) { case 'auds': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'wav'; if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) { $streamindex = count($thisfile_riff_audio); } $thisfile_riff_audio[$streamindex] = self::RIFFparseWAVEFORMATex($strfData); $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; // shortcut $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex]; $thisfile_audio_streams_currentstream =& $thisfile_audio['streams'][$streamindex]; if ($thisfile_audio_streams_currentstream['bits_per_sample'] == 0) { unset($thisfile_audio_streams_currentstream['bits_per_sample']); } $thisfile_audio_streams_currentstream['wformattag'] = $thisfile_audio_streams_currentstream['raw']['wFormatTag']; unset($thisfile_audio_streams_currentstream['raw']); // shortcut $thisfile_riff_raw['strf'][$strhfccType][$streamindex] = $thisfile_riff_audio[$streamindex]['raw']; unset($thisfile_riff_audio[$streamindex]['raw']); $thisfile_audio = Helper::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); $thisfile_audio['lossless'] = false; switch ($thisfile_riff_raw_strf_strhfccType_streamindex['wFormatTag']) { case 0x1: // PCM $thisfile_audio_dataformat = 'wav'; $thisfile_audio['lossless'] = true; break; case 0x50: // MPEG Layer 2 or Layer 1 $thisfile_audio_dataformat = 'mp2'; // Assume Layer-2 break; case 0x55: // MPEG Layer 3 $thisfile_audio_dataformat = 'mp3'; break; case 0xff: // AAC $thisfile_audio_dataformat = 'aac'; break; case 0x161: // Windows Media v7 / v8 / v9 // Windows Media v7 / v8 / v9 case 0x162: // Windows Media Professional v9 // Windows Media Professional v9 case 0x163: // Windows Media Lossess v9 $thisfile_audio_dataformat = 'wma'; break; case 0x2000: // AC-3 $thisfile_audio_dataformat = 'ac3'; break; case 0x2001: // DTS $thisfile_audio_dataformat = 'dts'; break; default: $thisfile_audio_dataformat = 'wav'; break; } $thisfile_audio_streams_currentstream['dataformat'] = $thisfile_audio_dataformat; $thisfile_audio_streams_currentstream['lossless'] = $thisfile_audio['lossless']; $thisfile_audio_streams_currentstream['bitrate_mode'] = $thisfile_audio['bitrate_mode']; break; case 'iavs': case 'vids': // shortcut $thisfile_riff_raw['strh'][$i] = array(); $thisfile_riff_raw_strh_current =& $thisfile_riff_raw['strh'][$i]; $thisfile_riff_raw_strh_current['fccType'] = substr($strhData, 0, 4); // same as $strhfccType; $thisfile_riff_raw_strh_current['fccHandler'] = substr($strhData, 4, 4); $thisfile_riff_raw_strh_current['dwFlags'] = $this->EitherEndian2Int(substr($strhData, 8, 4)); // Contains AVITF_* flags $thisfile_riff_raw_strh_current['wPriority'] = $this->EitherEndian2Int(substr($strhData, 12, 2)); $thisfile_riff_raw_strh_current['wLanguage'] = $this->EitherEndian2Int(substr($strhData, 14, 2)); $thisfile_riff_raw_strh_current['dwInitialFrames'] = $this->EitherEndian2Int(substr($strhData, 16, 4)); $thisfile_riff_raw_strh_current['dwScale'] = $this->EitherEndian2Int(substr($strhData, 20, 4)); $thisfile_riff_raw_strh_current['dwRate'] = $this->EitherEndian2Int(substr($strhData, 24, 4)); $thisfile_riff_raw_strh_current['dwStart'] = $this->EitherEndian2Int(substr($strhData, 28, 4)); $thisfile_riff_raw_strh_current['dwLength'] = $this->EitherEndian2Int(substr($strhData, 32, 4)); $thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($strhData, 36, 4)); $thisfile_riff_raw_strh_current['dwQuality'] = $this->EitherEndian2Int(substr($strhData, 40, 4)); $thisfile_riff_raw_strh_current['dwSampleSize'] = $this->EitherEndian2Int(substr($strhData, 44, 4)); $thisfile_riff_raw_strh_current['rcFrame'] = $this->EitherEndian2Int(substr($strhData, 48, 4)); $thisfile_riff_video_current['codec'] = self::RIFFfourccLookup($thisfile_riff_raw_strh_current['fccHandler']); $thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler']; if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && self::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { $thisfile_riff_video_current['codec'] = self::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']); $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; } $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; $thisfile_video['pixel_aspect_ratio'] = (double) 1; switch ($thisfile_riff_raw_strh_current['fccHandler']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $thisfile_video['lossless'] = true; break; default: $thisfile_video['lossless'] = false; break; } switch ($strhfccType) { case 'vids': $thisfile_riff_raw_strf_strhfccType_streamindex = self::ParseBITMAPINFOHEADER(substr($strfData, 0, 40), $info['fileformat'] == 'riff'); //echo '<pre>'.print_r($thisfile_riff_raw_strf_strhfccType_streamindex, true).'</pre>'; $thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount']; if ($thisfile_riff_video_current['codec'] == 'DV') { $thisfile_riff_video_current['dv_type'] = 2; } break; case 'iavs': $thisfile_riff_video_current['dv_type'] = 1; break; } break; default: $info['warning'][] = 'Unhandled fccType for stream (' . $i . '): "' . $strhfccType . '"'; break; } } } if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; if (self::RIFFfourccLookup($thisfile_video['fourcc'])) { $thisfile_riff_video_current['codec'] = self::RIFFfourccLookup($thisfile_video['fourcc']); $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; } switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $thisfile_video['lossless'] = true; //$thisfile_video['bits_per_sample'] = 24; break; default: $thisfile_video['lossless'] = false; //$thisfile_video['bits_per_sample'] = 24; break; } } } } } break; case 'CDDA': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'cda'; $thisfile_audio['lossless'] = true; unset($info['mime_type']); $info['avdataoffset'] = 44; if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) { // shortcut $thisfile_riff_CDDA_fmt_0 =& $thisfile_riff['CDDA']['fmt '][0]; $thisfile_riff_CDDA_fmt_0['unknown1'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 0, 2)); $thisfile_riff_CDDA_fmt_0['track_num'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 2, 2)); $thisfile_riff_CDDA_fmt_0['disc_id'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 4, 4)); $thisfile_riff_CDDA_fmt_0['start_offset_frame'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 8, 4)); $thisfile_riff_CDDA_fmt_0['playtime_frames'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4)); $thisfile_riff_CDDA_fmt_0['unknown6'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4)); $thisfile_riff_CDDA_fmt_0['unknown7'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 20, 4)); $thisfile_riff_CDDA_fmt_0['start_offset_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75; $thisfile_riff_CDDA_fmt_0['playtime_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75; $info['comments']['track'] = $thisfile_riff_CDDA_fmt_0['track_num']; $info['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds']; // hardcoded data for CD-audio $thisfile_audio['sample_rate'] = 44100; $thisfile_audio['channels'] = 2; $thisfile_audio['bits_per_sample'] = 16; $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample']; $thisfile_audio['bitrate_mode'] = 'cbr'; } break; case 'AIFF': case 'AIFC': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'aiff'; $thisfile_audio['lossless'] = true; $info['mime_type'] = 'audio/x-aiff'; if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size']; if ($info['avdataend'] > $info['filesize']) { if ($info['avdataend'] == $info['filesize'] + 1 && $info['filesize'] % 2 == 1) { // structures rounded to 2-byte boundary, but dumb encoders // forget to pad end of file to make this actually work } else { $info['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'] . ' bytes of audio data, only ' . ($info['filesize'] - $info['avdataoffset']) . ' bytes found'; } $info['avdataend'] = $info['filesize']; } } if (isset($thisfile_riff[$RIFFsubtype]['COMM'][0]['data'])) { // shortcut $thisfile_riff_RIFFsubtype_COMM_0_data =& $thisfile_riff[$RIFFsubtype]['COMM'][0]['data']; $thisfile_riff_audio['channels'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 0, 2), true); $thisfile_riff_audio['total_samples'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 2, 4), false); $thisfile_riff_audio['bits_per_sample'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 6, 2), true); $thisfile_riff_audio['sample_rate'] = (int) Helper::BigEndian2Float(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 8, 10)); if ($thisfile_riff[$RIFFsubtype]['COMM'][0]['size'] > 18) { $thisfile_riff_audio['codec_fourcc'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 18, 4); $CodecNameSize = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 22, 1), false); $thisfile_riff_audio['codec_name'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 23, $CodecNameSize); switch ($thisfile_riff_audio['codec_name']) { case 'NONE': $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; break; case '': switch ($thisfile_riff_audio['codec_fourcc']) { // http://developer.apple.com/qa/snd/snd07.html case 'sowt': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM'; $thisfile_audio['lossless'] = true; break; case 'twos': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM'; $thisfile_audio['lossless'] = true; break; default: break; } break; default: $thisfile_audio['codec'] = $thisfile_riff_audio['codec_name']; $thisfile_audio['lossless'] = false; break; } } $thisfile_audio['channels'] = $thisfile_riff_audio['channels']; if ($thisfile_riff_audio['bits_per_sample'] > 0) { $thisfile_audio['bits_per_sample'] = $thisfile_riff_audio['bits_per_sample']; } $thisfile_audio['sample_rate'] = $thisfile_riff_audio['sample_rate']; if ($thisfile_audio['sample_rate'] == 0) { $info['error'][] = 'Corrupted AIFF file: sample_rate == zero'; return false; } $info['playtime_seconds'] = $thisfile_riff_audio['total_samples'] / $thisfile_audio['sample_rate']; } if (isset($thisfile_riff[$RIFFsubtype]['COMT'])) { $offset = 0; $CommentCount = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; for ($i = 0; $i < $CommentCount; ++$i) { $info['comments_raw'][$i]['timestamp'] = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false); $offset += 4; $info['comments_raw'][$i]['marker_id'] = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true); $offset += 2; $CommentLength = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; $info['comments_raw'][$i]['comment'] = substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength); $offset += $CommentLength; $info['comments_raw'][$i]['timestamp_unix'] = Helper::DateMac2Unix($info['comments_raw'][$i]['timestamp']); $thisfile_riff['comments']['comment'][] = $info['comments_raw'][$i]['comment']; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } break; case '8SVX': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = '8svx'; $thisfile_audio['bits_per_sample'] = 8; $thisfile_audio['channels'] = 1; // overridden below, if need be $info['mime_type'] = 'audio/x-aiff'; if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size']; if ($info['avdataend'] > $info['filesize']) { $info['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['BODY'][0]['size'] . ' bytes of audio data, only ' . ($info['filesize'] - $info['avdataoffset']) . ' bytes found'; } } if (isset($thisfile_riff[$RIFFsubtype]['VHDR'][0]['offset'])) { // shortcut $thisfile_riff_RIFFsubtype_VHDR_0 =& $thisfile_riff[$RIFFsubtype]['VHDR'][0]; $thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 0, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['repeatHiSamples'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 4, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerHiCycle'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 8, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 12, 2)); $thisfile_riff_RIFFsubtype_VHDR_0['ctOctave'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 14, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['sCompression'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 15, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['Volume'] = Helper::FixedPoint16_16(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 16, 4)); $thisfile_audio['sample_rate'] = $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec']; switch ($thisfile_riff_RIFFsubtype_VHDR_0['sCompression']) { case 0: $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; $ActualBitsPerSample = 8; break; case 1: $thisfile_audio['codec'] = 'Fibonacci-delta encoding'; $thisfile_audio['lossless'] = false; $ActualBitsPerSample = 4; break; default: $info['warning'][] = 'Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "' . sCompression . '"'; break; } } if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) { $ChannelsIndex = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'], 0, 4)); switch ($ChannelsIndex) { case 6: // Stereo $thisfile_audio['channels'] = 2; break; case 2: // Left channel only // Left channel only case 4: // Right channel only $thisfile_audio['channels'] = 1; break; default: $info['warning'][] = 'Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "' . $ChannelsIndex . '"'; break; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $ActualBitsPerSample * $thisfile_audio['channels']; if (!empty($thisfile_audio['bitrate'])) { $info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($thisfile_audio['bitrate'] / 8); } break; case 'CDXA': $info['mime_type'] = 'video/mpeg'; if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) { if (class_exists('GetId3\\Module\\AudioVideo\\Mpeg')) { $getid3_temp = new GetId3Core(); $getid3_temp->openfile($this->getid3->filename); $getid3_mpeg = new Mpeg($getid3_temp); $getid3_mpeg->analyze(); if (empty($getid3_temp->info['error'])) { $info['audio'] = $getid3_temp->info['audio']; $info['video'] = $getid3_temp->info['video']; $info['mpeg'] = $getid3_temp->info['mpeg']; $info['warning'] = $getid3_temp->info['warning']; } unset($getid3_temp, $getid3_mpeg); } } break; default: $info['error'][] = 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "' . $RIFFsubtype . '" instead'; unset($info['fileformat']); break; } switch ($RIFFsubtype) { case 'WAVE': case 'AIFF': case 'AIFC': if (isset($thisfile_riff[$RIFFsubtype]['ID3 ']) && !array_key_exists('id3 ', $thisfile_riff[$RIFFsubtype])) { $info['warning'][] = 'mapping "ID3 " chunk to "id3 "'; } if (isset($thisfile_riff[$RIFFsubtype]['tag ']) && !array_key_exists('id3 ', $thisfile_riff[$RIFFsubtype])) { $info['warning'][] = 'mapping "tag " chunk to "id3 "'; } if (isset($thisfile_riff[$RIFFsubtype]['id3 '])) { $getid3_temp = new GetId3Core(); $getid3_temp->openfile($this->getid3->filename); $getid3_id3v2 = new Id3v2($getid3_temp); $getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['id3 '][0]['offset'] + 8; if ($thisfile_riff[$RIFFsubtype]['id3 '][0]['valid'] = $getid3_id3v2->analyze()) { $info['id3v2'] = $getid3_temp->info['id3v2']; } unset($getid3_temp, $getid3_id3v2); } break; } if (isset($thisfile_riff_raw['fmt ']['wFormatTag']) && $thisfile_riff_raw['fmt ']['wFormatTag'] == 1) { // http://www.mega-nerd.com/erikd/Blog/Windiots/dts.html fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET); $FirstFourBytes = fread($this->getid3->fp, 4); if (preg_match('/^\\xFF\\x1F\\x00\\xE8/s', $FirstFourBytes)) { // DTSWAV $thisfile_audio_dataformat = 'dts'; } elseif (preg_match('/^\\x7F\\xFF\\x80\\x01/s', $FirstFourBytes)) { // DTS, but this probably shouldn't happen $thisfile_audio_dataformat = 'dts'; } } if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) { $thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4)); } if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) { $this->RIFFcommentsParse($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']); } if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) { $this->RIFFcommentsParse($thisfile_riff['AVI ']['INFO'], $thisfile_riff['comments']); } if (empty($thisfile_audio['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version'])) { $thisfile_audio['encoder'] = $info['mpeg']['audio']['LAME']['short_version']; } if (!isset($info['playtime_seconds'])) { $info['playtime_seconds'] = 0; } if (isset($thisfile_riff_raw['strh'][0]['dwLength']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { // needed for >2GB AVIs where 'avih' chunk only lists number of frames in that chunk, not entire movie $info['playtime_seconds'] = $thisfile_riff_raw['strh'][0]['dwLength'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } elseif (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { $info['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } if ($info['playtime_seconds'] > 0) { if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($info['bitrate'])) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) { if (!isset($thisfile_audio['bitrate'])) { $thisfile_audio['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($thisfile_video['bitrate'])) { $thisfile_video['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } } if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && $thisfile_audio['bitrate'] > 0 && $info['playtime_seconds'] > 0) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; $thisfile_audio['bitrate'] = 0; $thisfile_video['bitrate'] = $info['bitrate']; foreach ($thisfile_riff_audio as $channelnumber => $audioinfoarray) { $thisfile_video['bitrate'] -= $audioinfoarray['bitrate']; $thisfile_audio['bitrate'] += $audioinfoarray['bitrate']; } if ($thisfile_video['bitrate'] <= 0) { unset($thisfile_video['bitrate']); } if ($thisfile_audio['bitrate'] <= 0) { unset($thisfile_audio['bitrate']); } } if (isset($info['mpeg']['audio'])) { $thisfile_audio_dataformat = 'mp' . $info['mpeg']['audio']['layer']; $thisfile_audio['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $thisfile_audio['channels'] = $info['mpeg']['audio']['channels']; $thisfile_audio['bitrate'] = $info['mpeg']['audio']['bitrate']; $thisfile_audio['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); if (!empty($info['mpeg']['audio']['codec'])) { $thisfile_audio['codec'] = $info['mpeg']['audio']['codec'] . ' ' . $thisfile_audio['codec']; } if (!empty($thisfile_audio['streams'])) { foreach ($thisfile_audio['streams'] as $streamnumber => $streamdata) { if ($streamdata['dataformat'] == $thisfile_audio_dataformat) { $thisfile_audio['streams'][$streamnumber]['sample_rate'] = $thisfile_audio['sample_rate']; $thisfile_audio['streams'][$streamnumber]['channels'] = $thisfile_audio['channels']; $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; $thisfile_audio['streams'][$streamnumber]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; $thisfile_audio['streams'][$streamnumber]['codec'] = $thisfile_audio['codec']; } } } $getid3_mp3 = new Mp3($this->getid3); $thisfile_audio['encoder_options'] = $getid3_mp3->GuessEncoderOptions(); unset($getid3_mp3); } if (!empty($thisfile_riff_raw['fmt ']['wBitsPerSample']) && $thisfile_riff_raw['fmt ']['wBitsPerSample'] > 0) { switch ($thisfile_audio_dataformat) { case 'ac3': // ignore bits_per_sample break; default: $thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample']; break; } } if (empty($thisfile_riff_raw)) { unset($thisfile_riff['raw']); } if (empty($thisfile_riff_audio)) { unset($thisfile_riff['audio']); } if (empty($thisfile_riff_video)) { unset($thisfile_riff['video']); } return true; }
/** * @param type $frame_name * @param type $source_data_array * * @return bool */ public function GenerateID3v2FrameData($frame_name, $source_data_array) { if (!Tag\Id3v2::IsValidID3v2FrameName($frame_name, $this->majorversion)) { return false; } $framedata = ''; if ($this->majorversion < 3 || $this->majorversion > 4) { $this->errors[] = 'Only ID3v2.3 and ID3v2.4 are supported in GenerateID3v2FrameData()'; } else { // $this->majorversion 3 or 4 switch ($frame_name) { case 'UFID': // 4.1 UFID Unique file identifier // Owner identifier <text string> $00 // Identifier <up to 64 bytes binary data> if (strlen($source_data_array['data']) > 64) { $this->errors[] = 'Identifier not allowed to be longer than 64 bytes in ' . $frame_name . ' (supplied data was ' . strlen($source_data_array['data']) . ' bytes long)'; } else { $framedata .= str_replace("", '', $source_data_array['ownerid']) . ""; $framedata .= substr($source_data_array['data'], 0, 64); // max 64 bytes - truncate anything longer } break; case 'TXXX': // 4.2.2 TXXX User defined text information frame // Text encoding $xx // Description <text string according to encoding> $00 (00) // Value <text string according to encoding> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } break; case 'WXXX': // 4.3.2 WXXX User defined URL link frame // Text encoding $xx // Description <text string according to encoding> $00 (00) // URL <text string> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } elseif (!isset($source_data_array['data']) || !$this->IsValidURL($source_data_array['data'], false, false)) { //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')'; // probably should be an error, need to rewrite IsValidURL() to handle other encodings $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')'; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } break; case 'IPLS': // 4.4 IPLS Involved people list (ID3v2.3 only) // Text encoding $xx // People list strings <textstrings> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } break; case 'MCDI': // 4.4 MCDI Music CD identifier // CD TOC <binary data> $framedata .= $source_data_array['data']; break; case 'ETCO': // 4.5 ETCO Event timing codes // Time stamp format $xx // Where time stamp format is: // $01 (32-bit value) MPEG frames from beginning of file // $02 (32-bit value) milliseconds from beginning of file // Followed by a list of key events in the following format: // Type of event $xx // Time stamp $xx (xx ...) // The 'Time stamp' is set to zero if directly at the beginning of the sound // or after the previous event. All events MUST be sorted in chronological order. if ($source_data_array['timestampformat'] > 2 || $source_data_array['timestampformat'] < 1) { $this->errors[] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ')'; } else { $framedata .= chr($source_data_array['timestampformat']); foreach ($source_data_array as $key => $val) { if (!$this->ID3v2IsValidETCOevent($val['typeid'])) { $this->errors[] = 'Invalid Event Type byte in ' . $frame_name . ' (' . $val['typeid'] . ')'; } elseif ($key != 'timestampformat' && $key != 'flags') { if ($val['timestamp'] > 0 && $previousETCOtimestamp >= $val['timestamp']) { // The 'Time stamp' is set to zero if directly at the beginning of the sound // or after the previous event. All events MUST be sorted in chronological order. $this->errors[] = 'Out-of-order timestamp in ' . $frame_name . ' (' . $val['timestamp'] . ') for Event Type (' . $val['typeid'] . ')'; } else { $framedata .= chr($val['typeid']); $framedata .= Helper::BigEndian2String($val['timestamp'], 4, false); } } } } break; case 'MLLT': // 4.6 MLLT MPEG location lookup table // MPEG frames between reference $xx xx // Bytes between reference $xx xx xx // Milliseconds between reference $xx xx xx // Bits for bytes deviation $xx // Bits for milliseconds dev. $xx // Then for every reference the following data is included; // Deviation in bytes %xxx.... // Deviation in milliseconds %xxx.... if ($source_data_array['framesbetweenreferences'] > 0 && $source_data_array['framesbetweenreferences'] <= 65535) { $framedata .= Helper::BigEndian2String($source_data_array['framesbetweenreferences'], 2, false); } else { $this->errors[] = 'Invalid MPEG Frames Between References in ' . $frame_name . ' (' . $source_data_array['framesbetweenreferences'] . ')'; } if ($source_data_array['bytesbetweenreferences'] > 0 && $source_data_array['bytesbetweenreferences'] <= 16777215) { $framedata .= Helper::BigEndian2String($source_data_array['bytesbetweenreferences'], 3, false); } else { $this->errors[] = 'Invalid bytes Between References in ' . $frame_name . ' (' . $source_data_array['bytesbetweenreferences'] . ')'; } if ($source_data_array['msbetweenreferences'] > 0 && $source_data_array['msbetweenreferences'] <= 16777215) { $framedata .= Helper::BigEndian2String($source_data_array['msbetweenreferences'], 3, false); } else { $this->errors[] = 'Invalid Milliseconds Between References in ' . $frame_name . ' (' . $source_data_array['msbetweenreferences'] . ')'; } if (!$this->IsWithinBitRange($source_data_array['bitsforbytesdeviation'], 8, false)) { if ($source_data_array['bitsforbytesdeviation'] % 4 == 0) { $framedata .= chr($source_data_array['bitsforbytesdeviation']); } else { $this->errors[] = 'Bits For Bytes Deviation in ' . $frame_name . ' (' . $source_data_array['bitsforbytesdeviation'] . ') must be a multiple of 4.'; } } else { $this->errors[] = 'Invalid Bits For Bytes Deviation in ' . $frame_name . ' (' . $source_data_array['bitsforbytesdeviation'] . ')'; } if (!$this->IsWithinBitRange($source_data_array['bitsformsdeviation'], 8, false)) { if ($source_data_array['bitsformsdeviation'] % 4 == 0) { $framedata .= chr($source_data_array['bitsformsdeviation']); } else { $this->errors[] = 'Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $source_data_array['bitsforbytesdeviation'] . ') must be a multiple of 4.'; } } else { $this->errors[] = 'Invalid Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $source_data_array['bitsformsdeviation'] . ')'; } foreach ($source_data_array as $key => $val) { if ($key != 'framesbetweenreferences' && $key != 'bytesbetweenreferences' && $key != 'msbetweenreferences' && $key != 'bitsforbytesdeviation' && $key != 'bitsformsdeviation' && $key != 'flags') { $unwrittenbitstream .= str_pad(Helper::Dec2Bin($val['bytedeviation']), $source_data_array['bitsforbytesdeviation'], '0', STR_PAD_LEFT); $unwrittenbitstream .= str_pad(Helper::Dec2Bin($val['msdeviation']), $source_data_array['bitsformsdeviation'], '0', STR_PAD_LEFT); } } for ($i = 0; $i < strlen($unwrittenbitstream); $i += 8) { $highnibble = bindec(substr($unwrittenbitstream, $i, 4)) << 4; $lownibble = bindec(substr($unwrittenbitstream, $i + 4, 4)); $framedata .= chr($highnibble & $lownibble); } break; case 'SYTC': // 4.7 SYTC Synchronised tempo codes // Time stamp format $xx // Tempo data <binary data> // Where time stamp format is: // $01 (32-bit value) MPEG frames from beginning of file // $02 (32-bit value) milliseconds from beginning of file if ($source_data_array['timestampformat'] > 2 || $source_data_array['timestampformat'] < 1) { $this->errors[] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ')'; } else { $framedata .= chr($source_data_array['timestampformat']); foreach ($source_data_array as $key => $val) { if (!$this->ID3v2IsValidETCOevent($val['typeid'])) { $this->errors[] = 'Invalid Event Type byte in ' . $frame_name . ' (' . $val['typeid'] . ')'; } elseif ($key != 'timestampformat' && $key != 'flags') { if ($val['tempo'] < 0 || $val['tempo'] > 510) { $this->errors[] = 'Invalid Tempo (max = 510) in ' . $frame_name . ' (' . $val['tempo'] . ') at timestamp (' . $val['timestamp'] . ')'; } else { if ($val['tempo'] > 255) { $framedata .= chr(255); $val['tempo'] -= 255; } $framedata .= chr($val['tempo']); $framedata .= Helper::BigEndian2String($val['timestamp'], 4, false); } } } } break; case 'USLT': // 4.8 USLT Unsynchronised lyric/text transcription // Text encoding $xx // Language $xx xx xx // Content descriptor <text string according to encoding> $00 (00) // Lyrics/text <full text string according to encoding> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } elseif (Tag\Id3v2::LanguageLookup($source_data_array['language'], true) == '') { $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')'; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= strtolower($source_data_array['language']); $framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } break; case 'SYLT': // 4.9 SYLT Synchronised lyric/text // Text encoding $xx // Language $xx xx xx // Time stamp format $xx // $01 (32-bit value) MPEG frames from beginning of file // $02 (32-bit value) milliseconds from beginning of file // Content type $xx // Content descriptor <text string according to encoding> $00 (00) // Terminated text to be synced (typically a syllable) // Sync identifier (terminator to above string) $00 (00) // Time stamp $xx (xx ...) $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } elseif (Tag\Id3v2::LanguageLookup($source_data_array['language'], true) == '') { $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')'; } elseif ($source_data_array['timestampformat'] > 2 || $source_data_array['timestampformat'] < 1) { $this->errors[] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ')'; } elseif (!$this->ID3v2IsValidSYLTtype($source_data_array['contenttypeid'])) { $this->errors[] = 'Invalid Content Type byte in ' . $frame_name . ' (' . $source_data_array['contenttypeid'] . ')'; } elseif (!is_array($source_data_array['data'])) { $this->errors[] = 'Invalid Lyric/Timestamp data in ' . $frame_name . ' (must be an array)'; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= strtolower($source_data_array['language']); $framedata .= chr($source_data_array['timestampformat']); $framedata .= chr($source_data_array['contenttypeid']); $framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); ksort($source_data_array['data']); foreach ($source_data_array['data'] as $key => $val) { $framedata .= $val['data'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= Helper::BigEndian2String($val['timestamp'], 4, false); } } break; case 'COMM': // 4.10 COMM Comments // Text encoding $xx // Language $xx xx xx // Short content descrip. <text string according to encoding> $00 (00) // The actual text <full text string according to encoding> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } elseif (Tag\Id3v2::LanguageLookup($source_data_array['language'], true) == '') { $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')'; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= strtolower($source_data_array['language']); $framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } break; case 'RVA2': // 4.11 RVA2 Relative volume adjustment (2) (ID3v2.4+ only) // Identification <text string> $00 // The 'identification' string is used to identify the situation and/or // device where this adjustment should apply. The following is then // repeated for every channel: // Type of channel $xx // Volume adjustment $xx xx // Bits representing peak $xx // Peak volume $xx (xx ...) $framedata .= str_replace("", '', $source_data_array['description']) . ""; foreach ($source_data_array as $key => $val) { if ($key != 'description') { $framedata .= chr($val['channeltypeid']); $framedata .= Helper::BigEndian2String($val['volumeadjust'], 2, false, true); // signed 16-bit if (!$this->IsWithinBitRange($source_data_array['bitspeakvolume'], 8, false)) { $framedata .= chr($val['bitspeakvolume']); if ($val['bitspeakvolume'] > 0) { $framedata .= Helper::BigEndian2String($val['peakvolume'], ceil($val['bitspeakvolume'] / 8), false, false); } } else { $this->errors[] = 'Invalid Bits Representing Peak Volume in ' . $frame_name . ' (' . $val['bitspeakvolume'] . ') (range = 0 to 255)'; } } } break; case 'RVAD': // 4.12 RVAD Relative volume adjustment (ID3v2.3 only) // Increment/decrement %00fedcba // Bits used for volume descr. $xx // Relative volume change, right $xx xx (xx ...) // a // Relative volume change, left $xx xx (xx ...) // b // Peak volume right $xx xx (xx ...) // Peak volume left $xx xx (xx ...) // Relative volume change, right back $xx xx (xx ...) // c // Relative volume change, left back $xx xx (xx ...) // d // Peak volume right back $xx xx (xx ...) // Peak volume left back $xx xx (xx ...) // Relative volume change, center $xx xx (xx ...) // e // Peak volume center $xx xx (xx ...) // Relative volume change, bass $xx xx (xx ...) // f // Peak volume bass $xx xx (xx ...) if (!$this->IsWithinBitRange($source_data_array['bitsvolume'], 8, false)) { $this->errors[] = 'Invalid Bits For Volume Description byte in ' . $frame_name . ' (' . $source_data_array['bitsvolume'] . ') (range = 1 to 255)'; } else { $incdecflag .= '00'; $incdecflag .= $source_data_array['incdec']['right'] ? '1' : '0'; // a - Relative volume change, right $incdecflag .= $source_data_array['incdec']['left'] ? '1' : '0'; // b - Relative volume change, left $incdecflag .= $source_data_array['incdec']['rightrear'] ? '1' : '0'; // c - Relative volume change, right back $incdecflag .= $source_data_array['incdec']['leftrear'] ? '1' : '0'; // d - Relative volume change, left back $incdecflag .= $source_data_array['incdec']['center'] ? '1' : '0'; // e - Relative volume change, center $incdecflag .= $source_data_array['incdec']['bass'] ? '1' : '0'; // f - Relative volume change, bass $framedata .= chr(bindec($incdecflag)); $framedata .= chr($source_data_array['bitsvolume']); $framedata .= Helper::BigEndian2String($source_data_array['volumechange']['right'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['volumechange']['left'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['right'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['left'], ceil($source_data_array['bitsvolume'] / 8), false); if ($source_data_array['volumechange']['rightrear'] || $source_data_array['volumechange']['leftrear'] || $source_data_array['peakvolume']['rightrear'] || $source_data_array['peakvolume']['leftrear'] || $source_data_array['volumechange']['center'] || $source_data_array['peakvolume']['center'] || $source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass']) { $framedata .= Helper::BigEndian2String($source_data_array['volumechange']['rightrear'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['volumechange']['leftrear'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['rightrear'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['leftrear'], ceil($source_data_array['bitsvolume'] / 8), false); } if ($source_data_array['volumechange']['center'] || $source_data_array['peakvolume']['center'] || $source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass']) { $framedata .= Helper::BigEndian2String($source_data_array['volumechange']['center'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['center'], ceil($source_data_array['bitsvolume'] / 8), false); } if ($source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass']) { $framedata .= Helper::BigEndian2String($source_data_array['volumechange']['bass'], ceil($source_data_array['bitsvolume'] / 8), false); $framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['bass'], ceil($source_data_array['bitsvolume'] / 8), false); } } break; case 'EQU2': // 4.12 EQU2 Equalisation (2) (ID3v2.4+ only) // Interpolation method $xx // $00 Band // $01 Linear // Identification <text string> $00 // The following is then repeated for every adjustment point // Frequency $xx xx // Volume adjustment $xx xx if ($source_data_array['interpolationmethod'] < 0 || $source_data_array['interpolationmethod'] > 1) { $this->errors[] = 'Invalid Interpolation Method byte in ' . $frame_name . ' (' . $source_data_array['interpolationmethod'] . ') (valid = 0 or 1)'; } else { $framedata .= chr($source_data_array['interpolationmethod']); $framedata .= str_replace("", '', $source_data_array['description']) . ""; foreach ($source_data_array['data'] as $key => $val) { $framedata .= Helper::BigEndian2String(intval(round($key * 2)), 2, false); $framedata .= Helper::BigEndian2String($val, 2, false, true); // signed 16-bit } } break; case 'EQUA': // 4.12 EQUA Equalisation (ID3v2.3 only) // Adjustment bits $xx // This is followed by 2 bytes + ('adjustment bits' rounded up to the // nearest byte) for every equalisation band in the following format, // giving a frequency range of 0 - 32767Hz: // Increment/decrement %x (MSB of the Frequency) // Frequency (lower 15 bits) // Adjustment $xx (xx ...) if (!$this->IsWithinBitRange($source_data_array['bitsvolume'], 8, false)) { $this->errors[] = 'Invalid Adjustment Bits byte in ' . $frame_name . ' (' . $source_data_array['bitsvolume'] . ') (range = 1 to 255)'; } else { $framedata .= chr($source_data_array['adjustmentbits']); foreach ($source_data_array as $key => $val) { if ($key != 'bitsvolume') { if ($key > 32767 || $key < 0) { $this->errors[] = 'Invalid Frequency in ' . $frame_name . ' (' . $key . ') (range = 0 to 32767)'; } else { if ($val >= 0) { // put MSB of frequency to 1 if increment, 0 if decrement $key |= 0x8000; } $framedata .= Helper::BigEndian2String($key, 2, false); $framedata .= Helper::BigEndian2String($val, ceil($source_data_array['adjustmentbits'] / 8), false); } } } } break; case 'RVRB': // 4.13 RVRB Reverb // Reverb left (ms) $xx xx // Reverb right (ms) $xx xx // Reverb bounces, left $xx // Reverb bounces, right $xx // Reverb feedback, left to left $xx // Reverb feedback, left to right $xx // Reverb feedback, right to right $xx // Reverb feedback, right to left $xx // Premix left to right $xx // Premix right to left $xx if (!$this->IsWithinBitRange($source_data_array['left'], 16, false)) { $this->errors[] = 'Invalid Reverb Left in ' . $frame_name . ' (' . $source_data_array['left'] . ') (range = 0 to 65535)'; } elseif (!$this->IsWithinBitRange($source_data_array['right'], 16, false)) { $this->errors[] = 'Invalid Reverb Left in ' . $frame_name . ' (' . $source_data_array['right'] . ') (range = 0 to 65535)'; } elseif (!$this->IsWithinBitRange($source_data_array['bouncesL'], 8, false)) { $this->errors[] = 'Invalid Reverb Bounces, Left in ' . $frame_name . ' (' . $source_data_array['bouncesL'] . ') (range = 0 to 255)'; } elseif (!$this->IsWithinBitRange($source_data_array['bouncesR'], 8, false)) { $this->errors[] = 'Invalid Reverb Bounces, Right in ' . $frame_name . ' (' . $source_data_array['bouncesR'] . ') (range = 0 to 255)'; } elseif (!$this->IsWithinBitRange($source_data_array['feedbackLL'], 8, false)) { $this->errors[] = 'Invalid Reverb Feedback, Left-To-Left in ' . $frame_name . ' (' . $source_data_array['feedbackLL'] . ') (range = 0 to 255)'; } elseif (!$this->IsWithinBitRange($source_data_array['feedbackLR'], 8, false)) { $this->errors[] = 'Invalid Reverb Feedback, Left-To-Right in ' . $frame_name . ' (' . $source_data_array['feedbackLR'] . ') (range = 0 to 255)'; } elseif (!$this->IsWithinBitRange($source_data_array['feedbackRR'], 8, false)) { $this->errors[] = 'Invalid Reverb Feedback, Right-To-Right in ' . $frame_name . ' (' . $source_data_array['feedbackRR'] . ') (range = 0 to 255)'; } elseif (!$this->IsWithinBitRange($source_data_array['feedbackRL'], 8, false)) { $this->errors[] = 'Invalid Reverb Feedback, Right-To-Left in ' . $frame_name . ' (' . $source_data_array['feedbackRL'] . ') (range = 0 to 255)'; } elseif (!$this->IsWithinBitRange($source_data_array['premixLR'], 8, false)) { $this->errors[] = 'Invalid Premix, Left-To-Right in ' . $frame_name . ' (' . $source_data_array['premixLR'] . ') (range = 0 to 255)'; } elseif (!$this->IsWithinBitRange($source_data_array['premixRL'], 8, false)) { $this->errors[] = 'Invalid Premix, Right-To-Left in ' . $frame_name . ' (' . $source_data_array['premixRL'] . ') (range = 0 to 255)'; } else { $framedata .= Helper::BigEndian2String($source_data_array['left'], 2, false); $framedata .= Helper::BigEndian2String($source_data_array['right'], 2, false); $framedata .= chr($source_data_array['bouncesL']); $framedata .= chr($source_data_array['bouncesR']); $framedata .= chr($source_data_array['feedbackLL']); $framedata .= chr($source_data_array['feedbackLR']); $framedata .= chr($source_data_array['feedbackRR']); $framedata .= chr($source_data_array['feedbackRL']); $framedata .= chr($source_data_array['premixLR']); $framedata .= chr($source_data_array['premixRL']); } break; case 'APIC': // 4.14 APIC Attached picture // Text encoding $xx // MIME type <text string> $00 // Picture type $xx // Description <text string according to encoding> $00 (00) // Picture data <binary data> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } elseif (!$this->ID3v2IsValidAPICpicturetype($source_data_array['picturetypeid'])) { $this->errors[] = 'Invalid Picture Type byte in ' . $frame_name . ' (' . $source_data_array['picturetypeid'] . ') for ID3v2.' . $this->majorversion; } elseif ($this->majorversion >= 3 && !$this->ID3v2IsValidAPICimageformat($source_data_array['mime'])) { $this->errors[] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array['mime'] . ') for ID3v2.' . $this->majorversion; } elseif ($source_data_array['mime'] == '-->' && !$this->IsValidURL($source_data_array['data'], false, false)) { //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')'; // probably should be an error, need to rewrite IsValidURL() to handle other encodings $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')'; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= str_replace("", '', $source_data_array['mime']) . ""; $framedata .= chr($source_data_array['picturetypeid']); $framedata .= (!empty($source_data_array['description']) ? $source_data_array['description'] : '') . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } break; case 'GEOB': // 4.15 GEOB General encapsulated object // Text encoding $xx // MIME type <text string> $00 // Filename <text string according to encoding> $00 (00) // Content description <text string according to encoding> $00 (00) // Encapsulated object <binary data> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } elseif (!$this->IsValidMIMEstring($source_data_array['mime'])) { $this->errors[] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array['mime'] . ')'; } elseif (!$source_data_array['description']) { $this->errors[] = 'Missing Description in ' . $frame_name; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= str_replace("", '', $source_data_array['mime']) . ""; $framedata .= $source_data_array['filename'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } break; case 'PCNT': // 4.16 PCNT Play counter // When the counter reaches all one's, one byte is inserted in // front of the counter thus making the counter eight bits bigger // Counter $xx xx xx xx (xx ...) $framedata .= Helper::BigEndian2String($source_data_array['data'], 4, false); break; case 'POPM': // 4.17 POPM Popularimeter // When the counter reaches all one's, one byte is inserted in // front of the counter thus making the counter eight bits bigger // Email to user <text string> $00 // Rating $xx // Counter $xx xx xx xx (xx ...) if (!$this->IsWithinBitRange($source_data_array['rating'], 8, false)) { $this->errors[] = 'Invalid Rating byte in ' . $frame_name . ' (' . $source_data_array['rating'] . ') (range = 0 to 255)'; } elseif (!IsValidEmail($source_data_array['email'])) { $this->errors[] = 'Invalid Email in ' . $frame_name . ' (' . $source_data_array['email'] . ')'; } else { $framedata .= str_replace("", '', $source_data_array['email']) . ""; $framedata .= chr($source_data_array['rating']); $framedata .= Helper::BigEndian2String($source_data_array['data'], 4, false); } break; case 'RBUF': // 4.18 RBUF Recommended buffer size // Buffer size $xx xx xx // Embedded info flag %0000000x // Offset to next tag $xx xx xx xx if (!$this->IsWithinBitRange($source_data_array['buffersize'], 24, false)) { $this->errors[] = 'Invalid Buffer Size in ' . $frame_name; } elseif (!$this->IsWithinBitRange($source_data_array['nexttagoffset'], 32, false)) { $this->errors[] = 'Invalid Offset To Next Tag in ' . $frame_name; } else { $framedata .= Helper::BigEndian2String($source_data_array['buffersize'], 3, false); $flag .= '0000000'; $flag .= $source_data_array['flags']['embededinfo'] ? '1' : '0'; $framedata .= chr(bindec($flag)); $framedata .= Helper::BigEndian2String($source_data_array['nexttagoffset'], 4, false); } break; case 'AENC': // 4.19 AENC Audio encryption // Owner identifier <text string> $00 // Preview start $xx xx // Preview length $xx xx // Encryption info <binary data> if (!$this->IsWithinBitRange($source_data_array['previewstart'], 16, false)) { $this->errors[] = 'Invalid Preview Start in ' . $frame_name . ' (' . $source_data_array['previewstart'] . ')'; } elseif (!$this->IsWithinBitRange($source_data_array['previewlength'], 16, false)) { $this->errors[] = 'Invalid Preview Length in ' . $frame_name . ' (' . $source_data_array['previewlength'] . ')'; } else { $framedata .= str_replace("", '', $source_data_array['ownerid']) . ""; $framedata .= Helper::BigEndian2String($source_data_array['previewstart'], 2, false); $framedata .= Helper::BigEndian2String($source_data_array['previewlength'], 2, false); $framedata .= $source_data_array['encryptioninfo']; } break; case 'LINK': // 4.20 LINK Linked information // Frame identifier $xx xx xx xx // URL <text string> $00 // ID and additional data <text string(s)> if (!Tag\Id3v2::IsValidID3v2FrameName($source_data_array['frameid'], $this->majorversion)) { $this->errors[] = 'Invalid Frame Identifier in ' . $frame_name . ' (' . $source_data_array['frameid'] . ')'; } elseif (!$this->IsValidURL($source_data_array['data'], true, false)) { //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')'; // probably should be an error, need to rewrite IsValidURL() to handle other encodings $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')'; } elseif (($source_data_array['frameid'] == 'AENC' || $source_data_array['frameid'] == 'APIC' || $source_data_array['frameid'] == 'GEOB' || $source_data_array['frameid'] == 'TXXX') && $source_data_array['additionaldata'] == '') { $this->errors[] = 'Content Descriptor must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name; } elseif ($source_data_array['frameid'] == 'USER' && Tag\Id3v2::LanguageLookup($source_data_array['additionaldata'], true) == '') { $this->errors[] = 'Language must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name; } elseif ($source_data_array['frameid'] == 'PRIV' && $source_data_array['additionaldata'] == '') { $this->errors[] = 'Owner Identifier must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name; } elseif (($source_data_array['frameid'] == 'COMM' || $source_data_array['frameid'] == 'SYLT' || $source_data_array['frameid'] == 'USLT') && (Tag\Id3v2::LanguageLookup(substr($source_data_array['additionaldata'], 0, 3), true) == '' || substr($source_data_array['additionaldata'], 3) == '')) { $this->errors[] = 'Language followed by Content Descriptor must be specified as additional data for Frame Identifier of ' . $source_data_array['frameid'] . ' in ' . $frame_name; } else { $framedata .= $source_data_array['frameid']; $framedata .= str_replace("", '', $source_data_array['data']) . ""; switch ($source_data_array['frameid']) { case 'COMM': case 'SYLT': case 'USLT': case 'PRIV': case 'USER': case 'AENC': case 'APIC': case 'GEOB': case 'TXXX': $framedata .= $source_data_array['additionaldata']; break; case 'ASPI': case 'ETCO': case 'EQU2': case 'MCID': case 'MLLT': case 'OWNE': case 'RVA2': case 'RVRB': case 'SYTC': case 'IPLS': case 'RVAD': case 'EQUA': // no additional data required break; case 'RBUF': if ($this->majorversion == 3) { // no additional data required } else { $this->errors[] = $source_data_array['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $this->majorversion . ')'; } default: if (substr($source_data_array['frameid'], 0, 1) == 'T' || substr($source_data_array['frameid'], 0, 1) == 'W') { // no additional data required } else { $this->errors[] = $source_data_array['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $this->majorversion . ')'; } break; } } break; case 'POSS': // 4.21 POSS Position synchronisation frame (ID3v2.3+ only) // Time stamp format $xx // Position $xx (xx ...) if ($source_data_array['timestampformat'] < 1 || $source_data_array['timestampformat'] > 2) { $this->errors[] = 'Invalid Time Stamp Format in ' . $frame_name . ' (' . $source_data_array['timestampformat'] . ') (valid = 1 or 2)'; } elseif (!$this->IsWithinBitRange($source_data_array['position'], 32, false)) { $this->errors[] = 'Invalid Position in ' . $frame_name . ' (' . $source_data_array['position'] . ') (range = 0 to 4294967295)'; } else { $framedata .= chr($source_data_array['timestampformat']); $framedata .= Helper::BigEndian2String($source_data_array['position'], 4, false); } break; case 'USER': // 4.22 USER Terms of use (ID3v2.3+ only) // Text encoding $xx // Language $xx xx xx // The actual text <text string according to encoding> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ')'; } elseif (Tag\Id3v2::LanguageLookup($source_data_array['language'], true) == '') { $this->errors[] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array['language'] . ')'; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= strtolower($source_data_array['language']); $framedata .= $source_data_array['data']; } break; case 'OWNE': // 4.23 OWNE Ownership frame (ID3v2.3+ only) // Text encoding $xx // Price paid <text string> $00 // Date of purch. <text string> // Seller <text string according to encoding> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ')'; } elseif (!$this->IsANumber($source_data_array['pricepaid']['value'], false)) { $this->errors[] = 'Invalid Price Paid in ' . $frame_name . ' (' . $source_data_array['pricepaid']['value'] . ')'; } elseif (!$this->IsValidDateStampString($source_data_array['purchasedate'])) { $this->errors[] = 'Invalid Date Of Purchase in ' . $frame_name . ' (' . $source_data_array['purchasedate'] . ') (format = YYYYMMDD)'; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= str_replace("", '', $source_data_array['pricepaid']['value']) . ""; $framedata .= $source_data_array['purchasedate']; $framedata .= $source_data_array['seller']; } break; case 'COMR': // 4.24 COMR Commercial frame (ID3v2.3+ only) // Text encoding $xx // Price string <text string> $00 // Valid until <text string> // Contact URL <text string> $00 // Received as $xx // Name of seller <text string according to encoding> $00 (00) // Description <text string according to encoding> $00 (00) // Picture MIME type <string> $00 // Seller logo <binary data> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ')'; } elseif (!$this->IsValidDateStampString($source_data_array['pricevaliduntil'])) { $this->errors[] = 'Invalid Valid Until date in ' . $frame_name . ' (' . $source_data_array['pricevaliduntil'] . ') (format = YYYYMMDD)'; } elseif (!$this->IsValidURL($source_data_array['contacturl'], false, true)) { $this->errors[] = 'Invalid Contact URL in ' . $frame_name . ' (' . $source_data_array['contacturl'] . ') (allowed schemes: http, https, ftp, mailto)'; } elseif (!$this->ID3v2IsValidCOMRreceivedAs($source_data_array['receivedasid'])) { $this->errors[] = 'Invalid Received As byte in ' . $frame_name . ' (' . $source_data_array['contacturl'] . ') (range = 0 to 8)'; } elseif (!$this->IsValidMIMEstring($source_data_array['mime'])) { $this->errors[] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array['mime'] . ')'; } else { $framedata .= chr($source_data_array['encodingid']); unset($pricestring); foreach ($source_data_array['price'] as $key => $val) { if ($this->ID3v2IsValidPriceString($key . $val['value'])) { $pricestrings[] = $key . $val['value']; } else { $this->errors[] = 'Invalid Price String in ' . $frame_name . ' (' . $key . $val['value'] . ')'; } } $framedata .= implode('/', $pricestrings); $framedata .= $source_data_array['pricevaliduntil']; $framedata .= str_replace("", '', $source_data_array['contacturl']) . ""; $framedata .= chr($source_data_array['receivedasid']); $framedata .= $source_data_array['sellername'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']); $framedata .= $source_data_array['mime'] . ""; $framedata .= $source_data_array['logo']; } break; case 'ENCR': // 4.25 ENCR Encryption method registration (ID3v2.3+ only) // Owner identifier <text string> $00 // Method symbol $xx // Encryption data <binary data> if (!$this->IsWithinBitRange($source_data_array['methodsymbol'], 8, false)) { $this->errors[] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array['methodsymbol'] . ') (range = 0 to 255)'; } else { $framedata .= str_replace("", '', $source_data_array['ownerid']) . ""; $framedata .= ord($source_data_array['methodsymbol']); $framedata .= $source_data_array['data']; } break; case 'GRID': // 4.26 GRID Group identification registration (ID3v2.3+ only) // Owner identifier <text string> $00 // Group symbol $xx // Group dependent data <binary data> if (!$this->IsWithinBitRange($source_data_array['groupsymbol'], 8, false)) { $this->errors[] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array['groupsymbol'] . ') (range = 0 to 255)'; } else { $framedata .= str_replace("", '', $source_data_array['ownerid']) . ""; $framedata .= ord($source_data_array['groupsymbol']); $framedata .= $source_data_array['data']; } break; case 'PRIV': // 4.27 PRIV Private frame (ID3v2.3+ only) // Owner identifier <text string> $00 // The private data <binary data> $framedata .= str_replace("", '', $source_data_array['ownerid']) . ""; $framedata .= $source_data_array['data']; break; case 'SIGN': // 4.28 SIGN Signature frame (ID3v2.4+ only) // Group symbol $xx // Signature <binary data> if (!$this->IsWithinBitRange($source_data_array['groupsymbol'], 8, false)) { $this->errors[] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array['groupsymbol'] . ') (range = 0 to 255)'; } else { $framedata .= ord($source_data_array['groupsymbol']); $framedata .= $source_data_array['data']; } break; case 'SEEK': // 4.29 SEEK Seek frame (ID3v2.4+ only) // Minimum offset to next tag $xx xx xx xx if (!$this->IsWithinBitRange($source_data_array['data'], 32, false)) { $this->errors[] = 'Invalid Minimum Offset in ' . $frame_name . ' (' . $source_data_array['data'] . ') (range = 0 to 4294967295)'; } else { $framedata .= Helper::BigEndian2String($source_data_array['data'], 4, false); } break; case 'ASPI': // 4.30 ASPI Audio seek point index (ID3v2.4+ only) // Indexed data start (S) $xx xx xx xx // Indexed data length (L) $xx xx xx xx // Number of index points (N) $xx xx // Bits per index point (b) $xx // Then for every index point the following data is included: // Fraction at index (Fi) $xx (xx) if (!$this->IsWithinBitRange($source_data_array['datastart'], 32, false)) { $this->errors[] = 'Invalid Indexed Data Start in ' . $frame_name . ' (' . $source_data_array['datastart'] . ') (range = 0 to 4294967295)'; } elseif (!$this->IsWithinBitRange($source_data_array['datalength'], 32, false)) { $this->errors[] = 'Invalid Indexed Data Length in ' . $frame_name . ' (' . $source_data_array['datalength'] . ') (range = 0 to 4294967295)'; } elseif (!$this->IsWithinBitRange($source_data_array['indexpoints'], 16, false)) { $this->errors[] = 'Invalid Number Of Index Points in ' . $frame_name . ' (' . $source_data_array['indexpoints'] . ') (range = 0 to 65535)'; } elseif (!$this->IsWithinBitRange($source_data_array['bitsperpoint'], 8, false)) { $this->errors[] = 'Invalid Bits Per Index Point in ' . $frame_name . ' (' . $source_data_array['bitsperpoint'] . ') (range = 0 to 255)'; } elseif ($source_data_array['indexpoints'] != count($source_data_array['indexes'])) { $this->errors[] = 'Number Of Index Points does not match actual supplied data in ' . $frame_name; } else { $framedata .= Helper::BigEndian2String($source_data_array['datastart'], 4, false); $framedata .= Helper::BigEndian2String($source_data_array['datalength'], 4, false); $framedata .= Helper::BigEndian2String($source_data_array['indexpoints'], 2, false); $framedata .= Helper::BigEndian2String($source_data_array['bitsperpoint'], 1, false); foreach ($source_data_array['indexes'] as $key => $val) { $framedata .= Helper::BigEndian2String($val, ceil($source_data_array['bitsperpoint'] / 8), false); } } break; case 'RGAD': // RGAD Replay Gain Adjustment // http://privatewww.essex.ac.uk/~djmrob/replaygain/ // Peak Amplitude $xx $xx $xx $xx // Radio Replay Gain Adjustment %aaabbbcd %dddddddd // Audiophile Replay Gain Adjustment %aaabbbcd %dddddddd // a - name code // b - originator code // c - sign bit // d - replay gain adjustment if ($source_data_array['track_adjustment'] > 51 || $source_data_array['track_adjustment'] < -51) { $this->errors[] = 'Invalid Track Adjustment in ' . $frame_name . ' (' . $source_data_array['track_adjustment'] . ') (range = -51.0 to +51.0)'; } elseif ($source_data_array['album_adjustment'] > 51 || $source_data_array['album_adjustment'] < -51) { $this->errors[] = 'Invalid Album Adjustment in ' . $frame_name . ' (' . $source_data_array['album_adjustment'] . ') (range = -51.0 to +51.0)'; } elseif (!$this->ID3v2IsValidRGADname($source_data_array['raw']['track_name'])) { $this->errors[] = 'Invalid Track Name Code in ' . $frame_name . ' (' . $source_data_array['raw']['track_name'] . ') (range = 0 to 2)'; } elseif (!$this->ID3v2IsValidRGADname($source_data_array['raw']['album_name'])) { $this->errors[] = 'Invalid Album Name Code in ' . $frame_name . ' (' . $source_data_array['raw']['album_name'] . ') (range = 0 to 2)'; } elseif (!$this->ID3v2IsValidRGADoriginator($source_data_array['raw']['track_originator'])) { $this->errors[] = 'Invalid Track Originator Code in ' . $frame_name . ' (' . $source_data_array['raw']['track_originator'] . ') (range = 0 to 3)'; } elseif (!$this->ID3v2IsValidRGADoriginator($source_data_array['raw']['album_originator'])) { $this->errors[] = 'Invalid Album Originator Code in ' . $frame_name . ' (' . $source_data_array['raw']['album_originator'] . ') (range = 0 to 3)'; } else { $framedata .= Helper::Float2String($source_data_array['peakamplitude'], 32); $framedata .= Helper::RGADgainString($source_data_array['raw']['track_name'], $source_data_array['raw']['track_originator'], $source_data_array['track_adjustment']); $framedata .= Helper::RGADgainString($source_data_array['raw']['album_name'], $source_data_array['raw']['album_originator'], $source_data_array['album_adjustment']); } break; default: if ($this->majorversion == 2 && strlen($frame_name) != 3 || $this->majorversion > 2 && strlen($frame_name) != 4) { $this->errors[] = 'Invalid frame name "' . $frame_name . '" for ID3v2.' . $this->majorversion; } elseif ($frame_name[0] == 'T') { // 4.2. T??? Text information frames // Text encoding $xx // Information <text string(s) according to encoding> $source_data_array['encodingid'] = isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid; if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) { $this->errors[] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array['encodingid'] . ') for ID3v2.' . $this->majorversion; } else { $framedata .= chr($source_data_array['encodingid']); $framedata .= $source_data_array['data']; } } elseif ($frame_name[0] == 'W') { // 4.3. W??? URL link frames // URL <text string> if (!$this->IsValidURL($source_data_array['data'], false, false)) { //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')'; // probably should be an error, need to rewrite IsValidURL() to handle other encodings $this->warnings[] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array['data'] . ')'; } else { $framedata .= $source_data_array['data']; } } else { $this->errors[] = $frame_name . ' not yet supported in $this->GenerateID3v2FrameData()'; } break; } } if (!empty($this->errors)) { return false; } return $framedata; }