/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
while ($this->_reader->getOffset <= $this->getSize())
$this->_trackId[] = $this->_reader->readUInt32BE();
}
/**
* Sets the box size. The size must include the size and type header,
* fields, and all contained boxes.
*
* The method will propagate size change to box parents.
*
* @param integer $size The box size.
*/
public function setSize($size)
{
if ($this->_parent !== null)
$this->_parent->setSize
(($this->_parent->getSize() > 0 ? $this->_parent->getSize() : 0) +
$size - ($this->_size > 0 ? $this->_size : 0));
$this->_size = $size;
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader = null, &$options = array())
{
parent::__construct($reader, $options);
$this->setContainer(true);
if ($reader === null)
return;
$this->constructBoxes();
}
/**
* Returns the box raw data.
*
* @return string
*/
public function __toString($data = "")
{
return parent::__toString(Transform::toUInt16BE(count($this->_boxes)));
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$this->_dataFormat = $this->_reader->read(4);
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$offsetSize = (($tmp = $this->_reader->readUInt32BE()) >> 28) & 0xf;
$lengthSize = ($tmp >> 24) & 0xf;
$baseOffsetSize = ($tmp >> 20) & 0xf;
$itemCount = $this->_reader->readUInt16BE();
for ($i = 0; $i < $itemCount; $i++) {
$item = array();
$item["itemId"] = $this->_reader->readUInt16BE();
$item["dataReferenceIndex"] = $this->_reader->readUInt16BE();
$item["baseOffset"] =
($baseOffsetSize == 4 ? $this->_reader->readUInt32BE() :
($baseOffsetSize == 8 ? $this->_reader->readInt64BE() : 0));
$item["extents"] = array();
for ($j = 0; $j < $extentCount; $j++) {
$extent = array();
$extent["offset"] =
($offsetSize == 4 ? $this->_reader->readUInt32BE() :
($offsetSize == 8 ? $this->_reader->readInt64BE() : 0));
$extent["length"] =
($lengthSize == 4 ? $this->_reader->readUInt32BE() :
($lengthSize == 8 ? $this->_reader->readInt64BE() : 0));
$item["extents"][] = $extent;
}
$this->_items[] = $item;
}
}
/**
* Returns the box raw data.
*
* @return string
*/
public function __toString($data = "")
{
return parent::__toString
(Transform::toUInt32BE($this->_version << 24 | $this->_flags) . $data);
}
public function __construct($reader = null, &$options = array())
{
parent::__construct(is_string($reader) ? null : $reader, $options);
$this->setContainer(true);
if (is_string($reader)) {
$this->setType($reader);
$this->addBox(new ISO14496_Box_DATA());
} else
$this->constructBoxes();
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
$this->_majorBrand = $this->_reader->readString8(4);
$this->_minorVersion = $this->_reader->readUInt32BE();
while ($this->_reader->getOffset() < $this->getSize())
if (($brand = $this->_reader->readString8(4)) != "")
$this->_compatibleBrands[] = $brand;
}
/**
* Returns the box raw data.
*
* @return string
*/
public function __toString($data = "")
{
return parent::__toString(str_repeat("\0", $this->getSize() - 8));
}
/**
* Constructs the class with given parameters and reads box related data from
* the ISO Base Media file.
*
* @param Reader $reader The reader object.
*/
public function __construct($reader, &$options = array())
{
parent::__construct($reader, $options);
}