mbirth/php-mp3info
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Fix Protection bit inverted meaning

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Markus Birth 2024-05-29 01:28:43 +01:00
parent 3e1288a68c
commit aaaba0e2f1
1 changed files with 1 additions and 1 deletions
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src/Mp3Info.php
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@ -406,7 +406,7 @@ class Mp3Info
// 2nd Byte: (rest of frame sync), Version, Layer, Protection
$this->codecVersion = [self::MPEG_25, null, self::MPEG_2, self::MPEG_1][ord($headerBytes[1]) >> 3 & 0b11];
$this->layerVersion = [null, self::LAYER_3, self::LAYER_2, self::LAYER_1][ord($headerBytes[1]) >> 1 & 0b11];
$this->isProtected = ((ord($headerBytes[1]) & 0b1) == 0b1);
$this->isProtected = !((ord($headerBytes[1]) & 0b1) == 0b1); // inverted as 0=protected, 1=not protected
// 3rd Byte: Bitrate, Sampling rate, Padding, Private
$this->bitRate = self::$_bitRateTable[$this->codecVersion][$this->layerVersion][ord($headerBytes[2]) >> 4];