%PDF-
%PDF-
Mini Shell
Mini Shell
diff --git a/src/Mp3Info.php b/src/Mp3Info.php
index 257b147..17e4074 100644
--- a/src/Mp3Info.php
+++ b/src/Mp3Info.php
@@ -373,7 +373,6 @@ private function readMpegFrame($fp) {
switch ($header_bytes[1] >> 3 & 0b11) {
case 0b00: $this->codecVersion = self::MPEG_25; break;
- case 0b01: $this->codecVersion = self::CODEC_UNDEFINED; break;
case 0b10: $this->codecVersion = self::MPEG_2; break;
case 0b11: $this->codecVersion = self::MPEG_1; break;
}
@@ -384,6 +383,9 @@ private function readMpegFrame($fp) {
case 0b11: $this->layerVersion = self::LAYER_1; break;
}
+ if (!isset($this->codecVersion) || !isset($this->layerVersion) || !isset($header_bytes[2])) {
+ throw new \Exception('Unrecognized codecVersion or layerVersion headers!');
+ }
$this->bitRate = self::$_bitRateTable[$this->codecVersion][$this->layerVersion][$header_bytes[2] >> 4];
$this->sampleRate = self::$_sampleRateTable[$this->codecVersion][($header_bytes[2] >> 2) & 0b11];
@@ -394,6 +396,9 @@ private function readMpegFrame($fp) {
case 0b11: $this->channel = self::MONO; break;
}
+ if (!isset($this->channel)) {
+ throw new \Exception('Unrecognized channel header!');
+ }
$vbr_offset = self::$_vbrOffsets[$this->codecVersion][$this->channel == self::MONO ? 0 : 1];
// check for VBR
Zerion Mini Shell 1.0