AMFStream

423class AMFStream424{425	/**426	 * @var string427	 */428	public $bytes;429 430	/**431	 * @var int432	 */433	public $pos;434 435	/**436	 * @param string $bytes437	 */438	public function __construct(&$bytes) {439		$this->bytes =& $bytes;440		$this->pos = 0;441	}442 443	/**444	 * @return int445	 */446	public function readByte() { //  8-bit447		return ord(substr($this->bytes, $this->pos++, 1));448	}449 450	/**451	 * @return int452	 */453	public function readInt() { // 16-bit454		return ($this->readByte() << 8) + $this->readByte();455	}456 457	/**458	 * @return int459	 */460	public function readLong() { // 32-bit461		return ($this->readByte() << 24) + ($this->readByte() << 16) + ($this->readByte() << 8) + $this->readByte();462	}463 464	/**465	 * @return float|false466	 */467	public function readDouble() {468		return getid3_lib::BigEndian2Float($this->read(8));469	}470 471	/**472	 * @return string473	 */474	public function readUTF() {475		$length = $this->readInt();476		return $this->read($length);477	}478 479	/**480	 * @return string481	 */482	public function readLongUTF() {483		$length = $this->readLong();484		return $this->read($length);485	}486 487	/**488	 * @param int $length489	 *490	 * @return string491	 */492	public function read($length) {493		$val = substr($this->bytes, $this->pos, $length);494		$this->pos += $length;495		return $val;496	}497 498	/**499	 * @return int500	 */501	public function peekByte() {502		$pos = $this->pos;