Edit File by line

$SlotLength = 1;

[2000] Fix | Delete

[2001] Fix | Delete

} else { // layer 3

[2002] Fix | Delete

[2003] Fix | Delete

// for Layer 2 and Layer 3 slot is 8 bits long.

[2004] Fix | Delete

$FrameLengthCoefficient = 72;

[2005] Fix | Delete

$SlotLength = 1;

[2006] Fix | Delete

[2007] Fix | Delete

}

[2008] Fix | Delete

[2009] Fix | Delete

}

[2010] Fix | Delete

[2011] Fix | Delete

// FrameLengthInBytes = ((Coefficient * BitRate) / SampleRate) + Padding

[2012] Fix | Delete

if ($samplerate > 0) {

[2013] Fix | Delete

$NewFramelength = ($FrameLengthCoefficient * $bitrate) / $samplerate;

[2014] Fix | Delete

$NewFramelength = floor($NewFramelength / $SlotLength) * $SlotLength; // round to next-lower multiple of SlotLength (1 byte for Layer 2/3, 4 bytes for Layer I)

[2015] Fix | Delete

if ($padding) {

[2016] Fix | Delete

$NewFramelength += $SlotLength;

[2017] Fix | Delete

}

[2018] Fix | Delete

$AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = (int) $NewFramelength;

[2019] Fix | Delete

}

[2020] Fix | Delete

}

[2021] Fix | Delete

}

[2022] Fix | Delete

return $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate];

[2023] Fix | Delete

}

[2024] Fix | Delete

[2025] Fix | Delete

/**

[2026] Fix | Delete

* @param float|int $bit_rate

[2027] Fix | Delete

[2028] Fix | Delete

* @return int|float|string

[2029] Fix | Delete

[2030] Fix | Delete

public static function ClosestStandardMP3Bitrate($bit_rate) {

[2031] Fix | Delete

static $standard_bit_rates = array (320000, 256000, 224000, 192000, 160000, 128000, 112000, 96000, 80000, 64000, 56000, 48000, 40000, 32000, 24000, 16000, 8000);

[2032] Fix | Delete

static $bit_rate_table = array (0=>'-');

[2033] Fix | Delete

$round_bit_rate = intval(round($bit_rate, -3));

[2034] Fix | Delete

if (!isset($bit_rate_table[$round_bit_rate])) {

[2035] Fix | Delete

if ($round_bit_rate > max($standard_bit_rates)) {

[2036] Fix | Delete

$bit_rate_table[$round_bit_rate] = round($bit_rate, 2 - strlen($bit_rate));

[2037] Fix | Delete

} else {

[2038] Fix | Delete

$bit_rate_table[$round_bit_rate] = max($standard_bit_rates);

[2039] Fix | Delete

foreach ($standard_bit_rates as $standard_bit_rate) {

[2040] Fix | Delete

if ($round_bit_rate >= $standard_bit_rate + (($bit_rate_table[$round_bit_rate] - $standard_bit_rate) / 2)) {

[2041] Fix | Delete

break;

[2042] Fix | Delete

}

[2043] Fix | Delete

$bit_rate_table[$round_bit_rate] = $standard_bit_rate;

[2044] Fix | Delete

}

[2045] Fix | Delete

}

[2046] Fix | Delete

}

[2047] Fix | Delete

return $bit_rate_table[$round_bit_rate];

[2048] Fix | Delete

}

[2049] Fix | Delete

[2050] Fix | Delete

/**

[2051] Fix | Delete

* @param string $version

[2052] Fix | Delete

* @param string $channelmode

[2053] Fix | Delete

[2054] Fix | Delete

* @return int

[2055] Fix | Delete

[2056] Fix | Delete

public static function XingVBRidOffset($version, $channelmode) {

[2057] Fix | Delete

static $XingVBRidOffsetCache = array();

[2058] Fix | Delete

if (empty($XingVBRidOffsetCache)) {

[2059] Fix | Delete

$XingVBRidOffsetCache = array (

[2060] Fix | Delete

'1' => array ('mono' => 0x15, // 4 + 17 = 21

[2061] Fix | Delete

'stereo' => 0x24, // 4 + 32 = 36

[2062] Fix | Delete

'joint stereo' => 0x24,

[2063] Fix | Delete

'dual channel' => 0x24

[2064] Fix | Delete

[2065] Fix | Delete

[2066] Fix | Delete

'2' => array ('mono' => 0x0D, // 4 + 9 = 13

[2067] Fix | Delete

'stereo' => 0x15, // 4 + 17 = 21

[2068] Fix | Delete

'joint stereo' => 0x15,

[2069] Fix | Delete

'dual channel' => 0x15

[2070] Fix | Delete

[2071] Fix | Delete

[2072] Fix | Delete

'2.5' => array ('mono' => 0x15,

[2073] Fix | Delete

'stereo' => 0x15,

[2074] Fix | Delete

'joint stereo' => 0x15,

[2075] Fix | Delete

'dual channel' => 0x15

[2076] Fix | Delete

)

[2077] Fix | Delete

);

[2078] Fix | Delete

}

[2079] Fix | Delete

return $XingVBRidOffsetCache[$version][$channelmode];

[2080] Fix | Delete

}

[2081] Fix | Delete

[2082] Fix | Delete

/**

[2083] Fix | Delete

* @param int $VBRmethodID

[2084] Fix | Delete

[2085] Fix | Delete

* @return string

[2086] Fix | Delete

[2087] Fix | Delete

public static function LAMEvbrMethodLookup($VBRmethodID) {

[2088] Fix | Delete

static $LAMEvbrMethodLookup = array(

[2089] Fix | Delete

0x00 => 'unknown',

[2090] Fix | Delete

0x01 => 'cbr',

[2091] Fix | Delete

0x02 => 'abr',

[2092] Fix | Delete

0x03 => 'vbr-old / vbr-rh',

[2093] Fix | Delete

0x04 => 'vbr-new / vbr-mtrh',

[2094] Fix | Delete

0x05 => 'vbr-mt',

[2095] Fix | Delete

0x06 => 'vbr (full vbr method 4)',

[2096] Fix | Delete

0x08 => 'cbr (constant bitrate 2 pass)',

[2097] Fix | Delete

0x09 => 'abr (2 pass)',

[2098] Fix | Delete

0x0F => 'reserved'

[2099] Fix | Delete

);

[2100] Fix | Delete

return (isset($LAMEvbrMethodLookup[$VBRmethodID]) ? $LAMEvbrMethodLookup[$VBRmethodID] : '');

[2101] Fix | Delete

}

[2102] Fix | Delete

[2103] Fix | Delete

/**

[2104] Fix | Delete

* @param int $StereoModeID

[2105] Fix | Delete

[2106] Fix | Delete

* @return string

[2107] Fix | Delete

[2108] Fix | Delete

public static function LAMEmiscStereoModeLookup($StereoModeID) {

[2109] Fix | Delete

static $LAMEmiscStereoModeLookup = array(

[2110] Fix | Delete

0 => 'mono',

[2111] Fix | Delete

1 => 'stereo',

[2112] Fix | Delete

2 => 'dual mono',

[2113] Fix | Delete

3 => 'joint stereo',

[2114] Fix | Delete

4 => 'forced stereo',

[2115] Fix | Delete

5 => 'auto',

[2116] Fix | Delete

6 => 'intensity stereo',

[2117] Fix | Delete

7 => 'other'

[2118] Fix | Delete

);

[2119] Fix | Delete

return (isset($LAMEmiscStereoModeLookup[$StereoModeID]) ? $LAMEmiscStereoModeLookup[$StereoModeID] : '');

[2120] Fix | Delete

}

[2121] Fix | Delete

[2122] Fix | Delete

/**

[2123] Fix | Delete

* @param int $SourceSampleFrequencyID

[2124] Fix | Delete

[2125] Fix | Delete

* @return string

[2126] Fix | Delete

[2127] Fix | Delete

public static function LAMEmiscSourceSampleFrequencyLookup($SourceSampleFrequencyID) {

[2128] Fix | Delete

static $LAMEmiscSourceSampleFrequencyLookup = array(

[2129] Fix | Delete

0 => '<= 32 kHz',

[2130] Fix | Delete

1 => '44.1 kHz',

[2131] Fix | Delete

2 => '48 kHz',

[2132] Fix | Delete

3 => '> 48kHz'

[2133] Fix | Delete

);

[2134] Fix | Delete

return (isset($LAMEmiscSourceSampleFrequencyLookup[$SourceSampleFrequencyID]) ? $LAMEmiscSourceSampleFrequencyLookup[$SourceSampleFrequencyID] : '');

[2135] Fix | Delete

}

[2136] Fix | Delete

[2137] Fix | Delete

/**

[2138] Fix | Delete

* @param int $SurroundInfoID

[2139] Fix | Delete

[2140] Fix | Delete

* @return string

[2141] Fix | Delete

[2142] Fix | Delete

public static function LAMEsurroundInfoLookup($SurroundInfoID) {

[2143] Fix | Delete

static $LAMEsurroundInfoLookup = array(

[2144] Fix | Delete

0 => 'no surround info',

[2145] Fix | Delete

1 => 'DPL encoding',

[2146] Fix | Delete

2 => 'DPL2 encoding',

[2147] Fix | Delete

3 => 'Ambisonic encoding'

[2148] Fix | Delete

);

[2149] Fix | Delete

return (isset($LAMEsurroundInfoLookup[$SurroundInfoID]) ? $LAMEsurroundInfoLookup[$SurroundInfoID] : 'reserved');

[2150] Fix | Delete

}

[2151] Fix | Delete

[2152] Fix | Delete

/**

[2153] Fix | Delete

* @param array $LAMEtag

[2154] Fix | Delete

[2155] Fix | Delete

* @return string

[2156] Fix | Delete

[2157] Fix | Delete

public static function LAMEpresetUsedLookup($LAMEtag) {

[2158] Fix | Delete

[2159] Fix | Delete

if ($LAMEtag['preset_used_id'] == 0) {

[2160] Fix | Delete

// no preset used (LAME >=3.93)

[2161] Fix | Delete

// no preset recorded (LAME <3.93)

[2162] Fix | Delete

return '';

[2163] Fix | Delete

}

[2164] Fix | Delete

$LAMEpresetUsedLookup = array();

[2165] Fix | Delete

[2166] Fix | Delete

///// THIS PART CANNOT BE STATIC .

[2167] Fix | Delete

for ($i = 8; $i <= 320; $i++) {

[2168] Fix | Delete

switch ($LAMEtag['vbr_method']) {

[2169] Fix | Delete

case 'cbr':

[2170] Fix | Delete

$LAMEpresetUsedLookup[$i] = '--alt-preset '.$LAMEtag['vbr_method'].' '.$i;

[2171] Fix | Delete

break;

[2172] Fix | Delete

case 'abr':

[2173] Fix | Delete

default: // other VBR modes shouldn't be here(?)

[2174] Fix | Delete

$LAMEpresetUsedLookup[$i] = '--alt-preset '.$i;

[2175] Fix | Delete

break;

[2176] Fix | Delete

}

[2177] Fix | Delete

}

[2178] Fix | Delete

[2179] Fix | Delete

// named old-style presets (studio, phone, voice, etc) are handled in GuessEncoderOptions()

[2180] Fix | Delete

[2181] Fix | Delete

// named alt-presets

[2182] Fix | Delete

$LAMEpresetUsedLookup[1000] = '--r3mix';

[2183] Fix | Delete

$LAMEpresetUsedLookup[1001] = '--alt-preset standard';

[2184] Fix | Delete

$LAMEpresetUsedLookup[1002] = '--alt-preset extreme';

[2185] Fix | Delete

$LAMEpresetUsedLookup[1003] = '--alt-preset insane';

[2186] Fix | Delete

$LAMEpresetUsedLookup[1004] = '--alt-preset fast standard';

[2187] Fix | Delete

$LAMEpresetUsedLookup[1005] = '--alt-preset fast extreme';

[2188] Fix | Delete

$LAMEpresetUsedLookup[1006] = '--alt-preset medium';

[2189] Fix | Delete

$LAMEpresetUsedLookup[1007] = '--alt-preset fast medium';

[2190] Fix | Delete

[2191] Fix | Delete

// LAME 3.94 additions/changes

[2192] Fix | Delete

$LAMEpresetUsedLookup[1010] = '--preset portable'; // 3.94a15 Oct 21 2003

[2193] Fix | Delete

$LAMEpresetUsedLookup[1015] = '--preset radio'; // 3.94a15 Oct 21 2003

[2194] Fix | Delete

[2195] Fix | Delete

$LAMEpresetUsedLookup[320] = '--preset insane'; // 3.94a15 Nov 12 2003

[2196] Fix | Delete

$LAMEpresetUsedLookup[410] = '-V9';

[2197] Fix | Delete

$LAMEpresetUsedLookup[420] = '-V8';

[2198] Fix | Delete

$LAMEpresetUsedLookup[440] = '-V6';

[2199] Fix | Delete

$LAMEpresetUsedLookup[430] = '--preset radio'; // 3.94a15 Nov 12 2003

[2200] Fix | Delete

$LAMEpresetUsedLookup[450] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'portable'; // 3.94a15 Nov 12 2003

[2201] Fix | Delete

$LAMEpresetUsedLookup[460] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'medium'; // 3.94a15 Nov 12 2003

[2202] Fix | Delete

$LAMEpresetUsedLookup[470] = '--r3mix'; // 3.94b1 Dec 18 2003

[2203] Fix | Delete

$LAMEpresetUsedLookup[480] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'standard'; // 3.94a15 Nov 12 2003

[2204] Fix | Delete

$LAMEpresetUsedLookup[490] = '-V1';

[2205] Fix | Delete

$LAMEpresetUsedLookup[500] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'extreme'; // 3.94a15 Nov 12 2003

[2206] Fix | Delete

[2207] Fix | Delete

return (isset($LAMEpresetUsedLookup[$LAMEtag['preset_used_id']]) ? $LAMEpresetUsedLookup[$LAMEtag['preset_used_id']] : 'new/unknown preset: '.$LAMEtag['preset_used_id'].' - report to info@getid3.org');

[2208] Fix | Delete

}

[2209] Fix | Delete

[2210] Fix | Delete

}

[2211] Fix | Delete

[2212] Fix | Delete

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