Function getOnlyMPEGaudioInfo has a Cognitive Complexity of 259 (exceeds 5 allowed). Consider refactoring.

Open

    public function getOnlyMPEGaudioInfo($avdataoffset, $BitrateHistogram=false) {
        // looks for synch, decodes MPEG audio header

        $info = &$this->getid3->info;

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File module.audio.mp3.php has 1430 lines of code (exceeds 250 allowed). Consider refactoring.

Open

<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org>               //
//  available at http://getid3.sourceforge.net                 //
//            or http://www.getid3.org                         //

Function decodeMPEGaudioHeader has a Cognitive Complexity of 181 (exceeds 5 allowed). Consider refactoring.

Open

    public function decodeMPEGaudioHeader($offset, &$info, $recursivesearch=true, $ScanAsCBR=false, $FastMPEGheaderScan=false) {
        static $MPEGaudioVersionLookup;
        static $MPEGaudioLayerLookup;
        static $MPEGaudioBitrateLookup;
        static $MPEGaudioFrequencyLookup;

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Method decodeMPEGaudioHeader has 353 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function decodeMPEGaudioHeader($offset, &$info, $recursivesearch=true, $ScanAsCBR=false, $FastMPEGheaderScan=false) {
        static $MPEGaudioVersionLookup;
        static $MPEGaudioLayerLookup;
        static $MPEGaudioBitrateLookup;
        static $MPEGaudioFrequencyLookup;

Function getOnlyMPEGaudioInfoBruteForce has a Cognitive Complexity of 78 (exceeds 5 allowed). Consider refactoring.

Open

    public function getOnlyMPEGaudioInfoBruteForce() {
        $MPEGaudioHeaderDecodeCache   = array();
        $MPEGaudioHeaderValidCache    = array();
        $MPEGaudioHeaderLengthCache   = array();
        $MPEGaudioVersionLookup       = self::MPEGaudioVersionArray();

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Method getOnlyMPEGaudioInfo has 234 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function getOnlyMPEGaudioInfo($avdataoffset, $BitrateHistogram=false) {
        // looks for synch, decodes MPEG audio header

        $info = &$this->getid3->info;

Function GuessEncoderOptions has a Cognitive Complexity of 54 (exceeds 5 allowed). Consider refactoring.

Open

    public function GuessEncoderOptions() {
        // shortcuts
        $info = &$this->getid3->info;
        if (!empty($info['mpeg']['audio'])) {
            $thisfile_mpeg_audio = &$info['mpeg']['audio'];

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Method GuessEncoderOptions has 200 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function GuessEncoderOptions() {
        // shortcuts
        $info = &$this->getid3->info;
        if (!empty($info['mpeg']['audio'])) {
            $thisfile_mpeg_audio = &$info['mpeg']['audio'];

Function Analyze has a Cognitive Complexity of 46 (exceeds 5 allowed). Consider refactoring.

Open

    public function Analyze() {
        $info = &$this->getid3->info;

        $initialOffset = $info['avdataoffset'];

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Method getOnlyMPEGaudioInfoBruteForce has 134 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function getOnlyMPEGaudioInfoBruteForce() {
        $MPEGaudioHeaderDecodeCache   = array();
        $MPEGaudioHeaderValidCache    = array();
        $MPEGaudioHeaderLengthCache   = array();
        $MPEGaudioVersionLookup       = self::MPEGaudioVersionArray();

Method Analyze has 98 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function Analyze() {
        $info = &$this->getid3->info;

        $initialOffset = $info['avdataoffset'];

Function MPEGaudioFrameLength has a Cognitive Complexity of 25 (exceeds 5 allowed). Consider refactoring.

Open

    public static function MPEGaudioFrameLength(&$bitrate, &$version, &$layer, $padding, &$samplerate) {
        static $AudioFrameLengthCache = array();

        if (!isset($AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate])) {
            $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = false;

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Function FreeFormatFrameLength has a Cognitive Complexity of 24 (exceeds 5 allowed). Consider refactoring.

Open

    public function FreeFormatFrameLength($offset, $deepscan=false) {
        $info = &$this->getid3->info;

        fseek($this->getid3->fp, $offset, SEEK_SET);
        $MPEGaudioData = fread($this->getid3->fp, 32768);

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getid3_mp3 has 25 functions (exceeds 20 allowed). Consider refactoring.

Open

class getid3_mp3 extends getid3_handler
{

    public $allow_bruteforce = false; // forces getID3() to scan the file byte-by-byte and log all the valid audio frame headers - extremely slow, unrecommended, but may provide data from otherwise-unusuable files

Function RecursiveFrameScanning has a Cognitive Complexity of 20 (exceeds 5 allowed). Consider refactoring.

Open

    public function RecursiveFrameScanning(&$offset, &$nextframetestoffset, $ScanAsCBR) {
        $info = &$this->getid3->info;
        $firstframetestarray = array('error'=>'', 'warning'=>'', 'avdataend'=>$info['avdataend'], 'avdataoffset'=>$info['avdataoffset']);
        $this->decodeMPEGaudioHeader($offset, $firstframetestarray, false);

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Method FreeFormatFrameLength has 62 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function FreeFormatFrameLength($offset, $deepscan=false) {
        $info = &$this->getid3->info;

        fseek($this->getid3->fp, $offset, SEEK_SET);
        $MPEGaudioData = fread($this->getid3->fp, 32768);

Method MPEGaudioHeaderValid has 58 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static function MPEGaudioHeaderValid($rawarray, $echoerrors=false, $allowBitrate15=false) {
        if (($rawarray['synch'] & 0x0FFE) != 0x0FFE) {
            return false;
        }

Function MPEGaudioHeaderValid has a Cognitive Complexity of 17 (exceeds 5 allowed). Consider refactoring.

Open

    public static function MPEGaudioHeaderValid($rawarray, $echoerrors=false, $allowBitrate15=false) {
        if (($rawarray['synch'] & 0x0FFE) != 0x0FFE) {
            return false;
        }

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Method LAMEpresetUsedLookup has 37 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static function LAMEpresetUsedLookup($LAMEtag) {

        if ($LAMEtag['preset_used_id'] == 0) {
            // no preset used (LAME >=3.93)
            // no preset recorded (LAME <3.93)

Function ClosestStandardMP3Bitrate has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

    public static function ClosestStandardMP3Bitrate($bit_rate) {
        static $standard_bit_rates = array (320000, 256000, 224000, 192000, 160000, 128000, 112000, 96000, 80000, 64000, 56000, 48000, 40000, 32000, 24000, 16000, 8000);
        static $bit_rate_table = array (0=>'-');
        $round_bit_rate = intval(round($bit_rate, -3));
        if (!isset($bit_rate_table[$round_bit_rate])) {

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Method MPEGaudioFrameLength has 35 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static function MPEGaudioFrameLength(&$bitrate, &$version, &$layer, $padding, &$samplerate) {
        static $AudioFrameLengthCache = array();

        if (!isset($AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate])) {
            $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = false;

Method RecursiveFrameScanning has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public function RecursiveFrameScanning(&$offset, &$nextframetestoffset, $ScanAsCBR) {
        $info = &$this->getid3->info;
        $firstframetestarray = array('error'=>'', 'warning'=>'', 'avdataend'=>$info['avdataend'], 'avdataoffset'=>$info['avdataoffset']);
        $this->decodeMPEGaudioHeader($offset, $firstframetestarray, false);

Avoid deeply nested control flow statements.

Open

                                switch ($ExplodedOptions[1]) {
                                    case 'fast':
                                    case 'portable':
                                    case 'medium':
                                    case 'standard':

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Open

                        if (!isset($MPEGaudioHeaderDecodeCache[$next4])) {
                            $MPEGaudioHeaderDecodeCache[$next4] = self::MPEGaudioHeaderDecode($next4);
                        }

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Open

                            if ($info['mpeg']['audio']['layer'] == 3) {
                                $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 40000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 320000=>0);
                            } elseif ($info['mpeg']['audio']['layer'] == 2) {
                                $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 320000=>0, 384000=>0);
                            } elseif ($info['mpeg']['audio']['layer'] == 1) {

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Open

                            if ($bitratevalue != 'free') {
                                $bittotal += ($bitratevalue * $bitratecount);
                            }

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Open

                        if ($framecounter == 0) {
                            $info['error'][] = 'Corrupt MP3 file: framecounter == zero';
                            return false;
                        }

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Open

                        if ($SynchErrorsFound > 0) {
                            $info['warning'][] = 'Found '.$SynchErrorsFound.' synch errors in histogram analysis';
                            //return false;
                        }

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Open

                            if ($bitrate_count > 0) {
                                $distinct_bitrates++;
                            }

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Open

                        if (!(abs($info['audio']['bitrate'] - $FirstFrameThisfileInfo['audio']['bitrate']) <= 1)) {
                            // If there is garbage data between a valid VBR header frame and a sequence
                            // of valid MPEG-audio frames the VBR data is no longer discarded.
                            $info = $FirstFrameThisfileInfo;
                            $info['avdataoffset']        = $FirstFrameAVDataOffset;

Avoid deeply nested control flow statements.

Open

                        if ($MPEGaudioHeaderValidCache[$next4]) {
                            fseek($this->getid3->fp, -4, SEEK_CUR);

                            getid3_lib::safe_inc($Distribution['bitrate'][$LongMPEGbitrateLookup[$head4]]);
                            getid3_lib::safe_inc($Distribution['layer'][$LongMPEGlayerLookup[$head4]]);

Avoid deeply nested control flow statements.

Open

                        if ($pct_data_scanned > 0) {
                            $info['warning'][] = 'too many MPEG audio frames to scan, only scanned '.$frames_scanned.' frames in '.$max_scan_segments.' segments ('.number_format($pct_data_scanned * 100, 1).'% of file) and extrapolated distribution, playtime and bitrate may be incorrect.';
                            foreach ($info['mpeg']['audio'] as $key1 => $value1) {
                                if (!preg_match('#_distribution$#i', $key1)) {
                                    continue;

Avoid deeply nested control flow statements.

Open

                        if (!isset($MPEGaudioHeaderValidCache[$next4])) {
                            $MPEGaudioHeaderValidCache[$next4] = self::MPEGaudioHeaderValid($MPEGaudioHeaderDecodeCache[$next4], false, false);
                        }

Avoid deeply nested control flow statements.

Open

                        for ($current_segment = 0; $current_segment < $max_scan_segments; $current_segment++) {
                            $frames_scanned_this_segment = 0;
                            if (ftell($this->getid3->fp) >= $info['avdataend']) {
                                break;
                            }

Method decodeMPEGaudioHeader has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public function decodeMPEGaudioHeader($offset, &$info, $recursivesearch=true, $ScanAsCBR=false, $FastMPEGheaderScan=false) {

Method MPEGaudioFrameLength has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

    public static function MPEGaudioFrameLength(&$bitrate, &$version, &$layer, $padding, &$samplerate) {

Avoid too many return statements within this method.

Open

                return false;

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Open

                return false;

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Open

                return false;

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Open

            return false;

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Open

                return false;

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Open

            return false;

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Open

            return false;

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Open

        return true;

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Open

        return true;

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Open

        return true;

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Open

                    return false;

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Open

                            return false;

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Open

        return true;

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Open

            return false;

Similar blocks of code found in 2 locations. Consider refactoring.

Open

                        if ($thisfile_mpeg_audio_lame_raw['RGAD_track'] != 0) {

                            $thisfile_mpeg_audio_lame_RGAD_track['raw']['name']        = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0xE000) >> 13;
                            $thisfile_mpeg_audio_lame_RGAD_track['raw']['originator']  = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x1C00) >> 10;
                            $thisfile_mpeg_audio_lame_RGAD_track['raw']['sign_bit']    = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x0200) >> 9;

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

                        if ($thisfile_mpeg_audio_lame_raw['RGAD_album'] != 0) {

                            $thisfile_mpeg_audio_lame_RGAD_album['raw']['name']        = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0xE000) >> 13;
                            $thisfile_mpeg_audio_lame_RGAD_album['raw']['originator']  = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x1C00) >> 10;
                            $thisfile_mpeg_audio_lame_RGAD_album['raw']['sign_bit']    = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x0200) >> 9;

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Similar blocks of code found in 3 locations. Consider refactoring.

Open

                            } elseif ($info['mpeg']['audio']['layer'] == 1) {
                                $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 64000=>0, 96000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 288000=>0, 320000=>0, 352000=>0, 384000=>0, 416000=>0, 448000=>0);
                            }

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Similar blocks of code found in 3 locations. Consider refactoring.

Open

                        } elseif ($info['mpeg']['audio']['layer'] == 1) {
                            $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 144000=>0, 160000=>0, 176000=>0, 192000=>0, 224000=>0, 256000=>0);
                        } else {

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Similar blocks of code found in 3 locations. Consider refactoring.

Open

                            } elseif ($info['mpeg']['audio']['layer'] == 2) {
                                $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 320000=>0, 384000=>0);
                            } elseif ($info['mpeg']['audio']['layer'] == 1) {

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