diff --git a/src/ISO14496.php b/src/ISO14496.php deleted file mode 100644 index 31c1213..0000000 --- a/src/ISO14496.php +++ /dev/null @@ -1,380 +0,0 @@ -Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - *
  • Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - *
  • Neither the name of the project workgroup nor the names of its - * contributors may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * @package php-reader - * @subpackage ISO 14496 - * @copyright Copyright (c) 2008 PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Id$ - */ - -/**#@+ @ignore */ -require_once("Reader.php"); -require_once("ISO14496/Box.php"); -/**#@-*/ - -/** - * This class represents a file in ISO base media file format as described in - * ISO/IEC 14496 Part 12 standard. - * - * The ISO Base Media File Format is designed to contain timed media information - * for a presentation in a flexible, extensible format that facilitates - * interchange, management, editing, and presentation of the media. This - * presentation may be local to the system containing the presentation, or may - * be via a network or other stream delivery mechanism. - * - * The file structure is object-oriented; a file can be decomposed into - * constituent objects very simply, and the structure of the objects inferred - * directly from their type. The file format is designed to be independent of - * any particular network protocol while enabling efficient support for them in - * general. - * - * The ISO Base Media File Format is a base format for media file formats. - * - * - * An overall view of the normal encapsulation structure is provided in the - * following table. - * - * The table shows those boxes that may occur at the top-level in the left-most - * column; indentation is used to show possible containment. Thus, for example, - * a {@link ISO14496_Box_TKHD Track Header Box} is found in a - * {@link ISO14496_Box_TRAK Track Box}, which is found in a - * {@link ISO14496_Box_MOOV Movie Box}. Not all boxes need be used in all files; - * the mandatory boxes are marked with bold typeface. See the description of the - * individual boxes for a discussion of what must be assumed if the optional - * boxes are not present. - * - * User data objects shall be placed only in {@link ISO14496_Box_MOOV Movie} or - * {@link ISO14496_Box_TRAK Track Boxes}, and objects using an extended type may - * be placed in a wide variety of containers, not just the top level. - * - * - * - * There are two non-standard extensions to the ISO 14496 standard that add the - * ability to include file meta information. Both the boxes reside under - * moov.udta.meta. - * - * - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496 extends ISO14496_Box -{ - /** @var string */ - private $_filename; - - /** - * Constructs the ISO14496 class with given file and options. - * - * The following options are currently recognized: - * o base -- Indicates that only boxes with the given base path are parsed - * from the ISO base media file. Parsing all boxes can possibly have a - * significant impact on running time. Base path is a list of nested boxes - * separated by a dot. - * o readonly -- Indicates that the file is read from a temporary location - * or another source it cannot be written back to. The use of base option - * implies readonly option. - * - * @param string $filename The path to the file or file descriptor of an - * opened file. - * @param Array $options The options array. - */ - public function __construct($filename, $options = array()) - { - $this->_reader = new Reader($this->_filename = $filename); - if (isset($options["base"])) - $options["readonly"] = true; - $this->setOptions($options); - $this->setOffset(0); - $this->setSize($this->_reader->getSize()); - $this->setType("file"); - $this->setContainer(true); - $this->constructBoxes(); - } - - /** - * Writes the changes back to the original media file. - * - * Please note: currently the method writes only ID32 and ILST boxes to - * moov.udta.meta. Changes to any other box are discarded. Write - * operation will overwrite moov.udta, if found. - */ - public function write() - { - if (!isset($this->moov->udta->meta->ilst) && - !isset($this->moov->udta->meta->id32)) - throw new ISO14496_Exception("Nothing to write"); - - if ($this->getOption("readonly", false) !== false) - throw new ISO14496_Exception("File is read only"); - - if (($fd = fopen($this->_filename, file_exists - ($this->_filename) ? "r+b" : "wb")) === false) - throw new ISO14496_Exception - ("Unable to open file for writing: " . $filename); - - $this->moov->udta->meta->hdlr->setHandlerType("mdir"); - - /* Calculate start position */ - $mark = ($this->moov->udta->getOffset() > 0 ? - $this->moov->udta->getOffset() : - $this->moov->getOffset() + $this->moov->getSize()); - - /* Calculate file size */ - fseek($fd, 0, SEEK_END); - $oldFileSize = ftell($fd); - $newFileSize = $oldFileSize - - ($this->moov->udta->getOffset() > 0 ? $this->moov->udta->getSize() : 0) - - (isset($this->moov->udta->meta->free) ? - $this->moov->udta->meta->free->getSize() : 0) + - strlen($this->moov->udta); - - /* Calculate free space size */ - if ($oldFileSize < $newFileSize) { - // Add free space to the file calculated using the following logaritmic - // equation: log(0.2(x + 10)), ranging from 1k to 9k given the file size - // of 0..4G - $this->moov->udta->meta->free->setSize - (ceil(log(0.2 * ($newFileSize / 1024 + 10), 10) * 1024)); - ftruncate($fd, $newFileSize += $this->moov->udta->meta->free->getSize()); - - // Move data to the end of the file - for ($i = 1, $cur = $oldFileSize; $cur > $mark; $cur -= 1024, $i++) { - fseek($fd, -(($i * 1024) + - ($excess = $cur - 1024 > $mark ? 0 : $cur - $mark - 1024) + - ($newFileSize - $oldFileSize)), SEEK_END); - $buffer = fread($fd, 1024); - fseek($fd, -(($i * 1024) + $excess), SEEK_END); - fwrite($fd, $buffer, 1024); - } - - // Update stco/co64 to correspond the data move - foreach ($this->moov->getBoxesByIdentifier("trak") as $trak) { - $chunkOffsetBox = - (isset($trak->mdia->minf->stbl->stco) ? - $trak->mdia->minf->stbl->stco : $trak->mdia->minf->stbl->co64); - $chunkOffsetTable = $chunkOffsetBox->getChunkOffsetTable(); - $chunkOffsetTableCount = count($chunkOffsetTable); - $chunkOffsetDelta = $newFileSize - $oldFileSize; - for ($i = 1; $i <= $chunkOffsetTableCount; $i++) - $chunkOffsetTable[$i] += $chunkOffsetDelta; - $chunkOffsetBox->setChunkOffsetTable($chunkOffsetTable); - fseek($fd, $chunkOffsetBox->getOffset()); - fwrite($fd, $chunkOffsetBox, $chunkOffsetBox->getSize()); - } - } - else - $this->moov->udta->meta->free->setSize($oldFileSize - $newFileSize); - - /* Update the target box */ - fseek($fd, $mark); - $this->moov->udta->setSize(fwrite($fd, $this->moov->udta)); - - /* Update the parent box */ - fseek($fd, $this->moov->getOffset()); - fwrite($fd, Transform::toUInt32BE($this->moov->getSize())); - - fclose($fd); - } - - /** - * Returns the raw data of the ISO14496 file. - * - * @return string - */ - public function __toString($data = "") - { - if ($this->isContainer()) - foreach ($this->getBoxes() as $name => $boxes) - foreach ($boxes as $box) - $data .= $box; - return $data; - } -} diff --git a/src/ISO14496/Box.php b/src/ISO14496/Box.php deleted file mode 100644 index 38155ef..0000000 --- a/src/ISO14496/Box.php +++ /dev/null @@ -1,497 +0,0 @@ - - * @copyright Copyright (c) 2008-2009 PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -class ISO14496_Box -{ - /** - * The reader object. - * - * @var Reader - */ - protected $_reader; - - /** @var Array */ - private $_options; - - /** @var integer */ - private $_offset = -1; - - /** @var integer */ - private $_size = -1; - - /** @var string */ - private $_type; - - - /** @var ISO14496_Box */ - private $_parent = null; - - - /** @var boolean */ - private $_container = false; - - /** @var Array */ - private $_boxes = array(); - - /** @var Array */ - private static $_path = array(); - - /** - * Constructs the class with given parameters and options. - * - * @param Reader $reader The reader object. - * @param Array $options The options array. - */ - public function __construct($reader, &$options = array()) - { - if (($this->_reader = $reader) === null) { - $this->_type = strtolower(substr(get_class($this), -4)); - } else { - $this->_offset = $this->_reader->getOffset(); - $this->_size = $this->_reader->readUInt32BE(); - $this->_type = $this->_reader->read(4); - - if ($this->_size == 1) - $this->_size = $this->_reader->readInt64BE(); - if ($this->_size == 0) - $this->_size = $this->_reader->getSize() - $this->_offset; - - if ($this->_type == "uuid") - $this->_type = $this->_reader->readGUID(); - } - $this->_options = &$options; - } - - /** - * Returns the options array. - * - * @return Array - */ - public final function getOptions() { return $this->_options; } - - /** - * Returns the given option value, or the default value if the option is not - * defined. - * - * @param string $option The name of the option. - * @param mixed $defaultValue The default value to be returned. - */ - public final function getOption($option, $defaultValue = false) - { - if (isset($this->_options[$option])) - return $this->_options[$option]; - return $defaultValue; - } - - /** - * Sets the options array. See {@link ISO14496} class for available options. - * - * @param Array $options The options array. - */ - public final function setOptions(&$options) { $this->_options = &$options; } - - /** - * Sets the given option the given value. - * - * @param string $option The name of the option. - * @param mixed $value The value to set for the option. - */ - public final function setOption($option, $value) - { - $this->_options[$option] = $value; - } - - /** - * Returns the file offset to box start, or -1 if the box was created on heap. - * - * @return integer - */ - public final function getOffset() { return $this->_offset; } - - /** - * Sets the file offset where the box starts. - * - * @param integer $offset The file offset to box start. - */ - public final function setOffset($offset) { $this->_offset = $offset; } - - /** - * Returns the box size in bytes, including the size and type header, - * fields, and all contained boxes, or -1 if the box was created on heap. - * - * @return integer - */ - public final function getSize() { return $this->_size; } - - /** - * 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 $size The box size. - */ - public final function setSize($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; - } - - /** - * Returns the box type. - * - * @return string - */ - public final function getType() { return $this->_type; } - - /** - * Sets the box type. - * - * @param string $type The box type. - */ - public final function setType($type) { $this->_type = $type; } - - /** - * Returns the parent box containing this box. - * - * @return ISO14496_Box - */ - public final function getParent() { return $this->_parent; } - - /** - * Sets the parent containing box. - * - * @param ISO14496_Box $parent The parent box. - */ - public function setParent(&$parent) { $this->_parent = $parent; } - - /** - * Returns a boolean value corresponding to whether the box is a container. - * - * @return boolean - */ - public final function isContainer() { return $this->_container; } - - /** - * Returns a boolean value corresponding to whether the box is a container. - * - * @return boolean - */ - public final function getContainer() { return $this->_container; } - - /** - * Sets whether the box is a container. - * - * @param boolean $container Whether the box is a container. - */ - protected final function setContainer($container) - { - $this->_container = $container; - } - - /** - * Reads and constructs the boxes found within this box. - * - * @todo Does not parse iTunes internal ---- boxes. - */ - protected final function constructBoxes($defaultclassname = "ISO14496_Box") - { - $base = $this->getOption("base", ""); - if ($this->getType() != "file") - self::$_path[] = $this->getType(); - $path = implode(self::$_path, "."); - - while (true) { - $offset = $this->_reader->getOffset(); - if ($offset >= $this->_offset + $this->_size) - break; - $size = $this->_reader->readUInt32BE(); - $type = rtrim($this->_reader->read(4), " "); - if ($size == 1) - $size = $this->_reader->readInt64BE(); - if ($size == 0) - $size = $this->_reader->getSize() - $offset; - - if (preg_match("/^\xa9?[a-z0-9]{3,4}$/i", $type) && - substr($base, 0, min(strlen($base), strlen - ($tmp = $path . ($path ? "." : "") . $type))) == - substr($tmp, 0, min(strlen($base), strlen($tmp)))) - { - $this->_reader->setOffset($offset); - if (@fopen($filename = "ISO14496/Box/" . strtoupper($type) . ".php", - "r", true) !== false) - require_once($filename); - if (class_exists($classname = "ISO14496_Box_" . strtoupper($type))) - $box = new $classname($this->_reader, $this->_options); - else - $box = new $defaultclassname($this->_reader, $this->_options); - $box->setParent($this); - if (!isset($this->_boxes[$box->getType()])) - $this->_boxes[$box->getType()] = array(); - $this->_boxes[$box->getType()][] = $box; - } - $this->_reader->setOffset($offset + $size); - } - - array_pop(self::$_path); - } - - /** - * Checks whether the box given as an argument is present in the file. Returns - * true if one or more boxes are present, false - * otherwise. - * - * @param string $identifier The box identifier. - * @return boolean - * @throws ISO14496_Exception if called on a non-container box - */ - public final function hasBox($identifier) - { - if (!$this->isContainer()) - throw new ISO14496_Exception("Box not a container"); - return isset($this->_boxes[$identifier]); - } - - /** - * Returns all the boxes the file contains as an associate array. The box - * identifiers work as keys having an array of boxes as associated value. - * - * @return Array - * @throws ISO14496_Exception if called on a non-container box - */ - public final function getBoxes() - { - if (!$this->isContainer()) - throw new ISO14496_Exception("Box not a container"); - return $this->_boxes; - } - - /** - * Returns an array of boxes matching the given identifier or an empty array - * if no boxes matched the identifier. - * - * The identifier may contain wildcard characters "*" and "?". The asterisk - * matches against zero or more characters, and the question mark matches any - * single character. - * - * Please note that one may also use the shorthand $obj->identifier to access - * the first box with the identifier given. Wildcards cannot be used with - * the shorthand and they will not work with user defined uuid types. - * - * @param string $identifier The box identifier. - * @return Array - * @throws ISO14496_Exception if called on a non-container box - */ - public final function getBoxesByIdentifier($identifier) - { - if (!$this->isContainer()) - throw new ISO14496_Exception("Box not a container"); - $matches = array(); - $searchPattern = "/^" . - str_replace(array("*", "?"), array(".*", "."), $identifier) . "$/i"; - foreach ($this->_boxes as $identifier => $boxes) - if (preg_match($searchPattern, $identifier)) - foreach ($boxes as $box) - $matches[] = $box; - return $matches; - } - - /** - * Removes any boxes matching the given box identifier. - * - * The identifier may contain wildcard characters "*" and "?". The asterisk - * matches against zero or more characters, and the question mark matches any - * single character. - * - * One may also use the shorthand unset($obj->identifier) to achieve the same - * result. Wildcards cannot be used with the shorthand method. - * - * @param string $identifier The box identifier. - * @throws ISO14496_Exception if called on a non-container box - */ - public final function removeBoxesByIdentifier($identifier) - { - if (!$this->isContainer()) - throw new ISO14496_Exception("Box not a container"); - $searchPattern = "/^" . - str_replace(array("*", "?"), array(".*", "."), $identifier) . "$/i"; - foreach ($this->_objects as $identifier => $objects) - if (preg_match($searchPattern, $identifier)) - unset($this->_objects[$identifier]); - } - - /** - * Adds a new box into the current box and returns it. - * - * @param ISO14496_Box $box The box to add - * @return ISO14496_Box - * @throws ISO14496_Exception if called on a non-container box - */ - public final function addBox($box) - { - if (!$this->isContainer()) - throw new ISO14496_Exception("Box not a container"); - $box->setParent($this); - $box->setOptions($this->_options); - if (!$this->hasBox($box->getType())) - $this->_boxes[$box->getType()] = array(); - return $this->_boxes[$box->getType()][] = $box; - } - - /** - * Removes the given box. - * - * @param ISO14496_Box $box The box to remove - * @throws ISO14496_Exception if called on a non-container box - */ - public final function removeBox($box) - { - if (!$this->isContainer()) - throw new ISO14496_Exception("Box not a container"); - if ($this->hasBox($box->getType())) - foreach ($this->_boxes[$box->getType()] as $key => $value) - if ($box === $value) - unset($this->_boxes[$box->getType()][$key]); - } - - /** - * Magic function so that $obj->value will work. If called on a container box, - * the method will first attempt to return the first contained box that - * matches the identifier, and if not found, invoke a getter method. - * - * If there are no boxes or getter methods with given name, the method - * attempts to create a frame with given identifier. - * - * If none of these work, an exception is thrown. - * - * @param string $name The box or field name. - * @return mixed - */ - public function __get($name) - { - if ($this->isContainer() && isset($this->_boxes[$name])) - return $this->_boxes[$name][0]; - if (method_exists($this, "get" . ucfirst($name))) - return call_user_func(array($this, "get" . ucfirst($name))); - if (@fopen($filename = "ISO14496/Box/" . - strtoupper($name) . ".php", "r", true) !== false) - require_once($filename); - if (class_exists($classname = "ISO14496_Box_" . strtoupper($name))) - return $this->addBox(new $classname()); - throw new ISO14496_Exception("Unknown box/field: " . $name); - } - - /** - * Magic function so that assignments with $obj->value will work. - * - * @param string $name The field name. - * @param string $value The field value. - * @return mixed - */ - public function __set($name, $value) - { - if (method_exists($this, "set" . ucfirst($name))) - call_user_func(array($this, "set" . ucfirst($name)), $value); - else throw new ISO14496_Exception("Unknown field: " . $name); - } - - /** - * Magic function so that isset($obj->value) will work. This method checks - * whether the box is a container and contains a box that matches the - * identifier. - * - * @param string $name The box name. - * @return boolean - */ - public function __isset($name) - { - return ($this->isContainer() && isset($this->_boxes[$name])); - } - - /** - * Magic function so that unset($obj->value) will work. This method removes - * all the boxes from this container that match the identifier. - * - * @param string $name The box name. - */ - public function __unset($name) - { - if ($this->isContainer()) - unset($this->_boxes[$name]); - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - if ($this->isContainer()) - foreach ($this->getBoxes() as $name => $boxes) - foreach ($boxes as $box) - $data .= $box; - $size = strlen($data) + 8; - if ($size > 0xffffffff) - $size += 8; - if (strlen($this->_type) > 4) - $size += 16; - return ($size > 0xffffffff ? - Transform::toUInt32BE(1) : Transform::toUInt32BE($size)) . - (strlen($this->_type) > 4 ? "uuid" : $this->_type) . - ($size > 0xffffffff ? Transform::toInt64BE($size) : "") . - (strlen($this->_type) > 4 ? Transform::toGUID($this->_type) : "") . $data; - } -} diff --git a/src/ISO14496/Box/BXML.php b/src/ISO14496/Box/BXML.php deleted file mode 100644 index 3fd5c1c..0000000 --- a/src/ISO14496/Box/BXML.php +++ /dev/null @@ -1,86 +0,0 @@ -XML Box forms may be used. - * The Binary XML Box may only be used when there is a single well-defined - * binarization of the XML for that defined format as identified by the handler. - * - * Within an XML box the data is in UTF-8 format unless the data starts with a - * byte-order-mark (BOM), which indicates that the data is in UTF-16 format. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_BXML extends ISO14496_Box_Full -{ - /** @var string */ - private $_data; - - /** - * 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->_data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - } - - /** - * Returns the binary data. - * - * @return string - */ - public function getData() - { - return $this->_data; - } -} diff --git a/src/ISO14496/Box/CDSC.php b/src/ISO14496/Box/CDSC.php deleted file mode 100644 index 0effe2b..0000000 --- a/src/ISO14496/Box/CDSC.php +++ /dev/null @@ -1,80 +0,0 @@ - - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_CDSC extends ISO14496_Box -{ - /** @var Array */ - private $_trackId = array(); - - /** - * 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(); - } - - /** - * Returns an array of integer references from the containing track to another - * track in the presentation. Track IDs are never re-used and cannot be equal - * to zero. - * - * @return integer - */ - public function getTrackId() { return $this->_trackId; } -} diff --git a/src/ISO14496/Box/CO64.php b/src/ISO14496/Box/CO64.php deleted file mode 100644 index 8aa5c59..0000000 --- a/src/ISO14496/Box/CO64.php +++ /dev/null @@ -1,122 +0,0 @@ -Chunk Offset Box table gives the index of each chunk into the - * containing file. There are two variants, permitting the use of 32-bit or - * 64-bit offsets. The latter is useful when managing very large presentations. - * At most one of these variants will occur in any single instance of a sample - * table. - * - * Offsets are file offsets, not the offset into any box within the file (e.g. - * {@link ISO14496_Box_MDAT Media Data Box}). This permits referring to media - * data in files without any box structure. It does also mean that care must be - * taken when constructing a self-contained ISO file with its metadata - * ({@link ISO14496_Box_MOOV Movie Box}) at the front, as the size of the - * {@link ISO14496_Box_MOOV Movie Box} will affect the chunk offsets to the - * media data. - * - * This box variant contains 64-bit offsets. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_CO64 extends ISO14496_Box_Full -{ - /** @var Array */ - private $_chunkOffsetTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_chunkOffsetTable[$i] = - Transform::fromInt64BE(substr($data, ($i - 1) * 8, 8)); - } - - /** - * Returns an array of values. Each entry has the entry number as its index - * and a 64 bit integer that gives the offset of the start of a chunk into - * its containing media file as its value. - * - * @return Array - */ - public function getChunkOffsetTable() { return $this->_chunkOffsetTable; } - - /** - * Sets an array of chunk offsets. Each entry must have the entry number as - * its index and a 64 bit integer that gives the offset of the start of a - * chunk into its containing media file as its value. - * - * @param Array $chunkOffsetTable The chunk offset array. - */ - public function setChunkOffsetTable($chunkOffsetTable) - { - $this->_chunkOffsetTable = $chunkOffsetTable; - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - $data = Transform::toUInt32BE(count($this->_chunkOffsetTable)); - foreach ($this->_chunkOffsetTable as $chunkOffset) - $data .= Transform::toInt64BE($chunkOffset); - return parent::__toString($data); - } -} diff --git a/src/ISO14496/Box/CPRT.php b/src/ISO14496/Box/CPRT.php deleted file mode 100644 index be1d9b7..0000000 --- a/src/ISO14496/Box/CPRT.php +++ /dev/null @@ -1,96 +0,0 @@ -Copyright Box contains a copyright declaration which applies to - * the entire presentation, when contained within the {@link ISO14496_Box_MOOV - * Movie Box}, or, when contained in a track, to that entire track. There may be - * multiple copyright boxes using different language codes. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_CPRT extends ISO14496_Box_Full -{ - /** @var string */ - private $_language; - - /** @var string */ - private $_notice; - - /** - * Constructs the class with given parameters and reads box related data from - * the ISO Base Media file. - * - * @param Reader $reader The reader object. - * @todo Distinguish UTF-16? - */ - public function __construct($reader, &$options = array()) - { - parent::__construct($reader, $options); - - $this->_language = - chr(((($tmp = $this->_reader->readUInt16BE()) >> 10) & 0x1f) + 0x60) . - chr((($tmp >> 5) & 0x1f) + 0x60) . chr(($tmp & 0x1f) + 0x60); - $this->_notice = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - } - - /** - * Returns the three byte language code to describe the language of the - * notice, according to {@link http://www.loc.gov/standards/iso639-2/ - * ISO 639-2/T}. - * - * @return string - */ - public function getLanguage() { return $this->_language; } - - /** - * Returns the copyright notice. - * - * @return string - */ - public function getNotice() { return $this->_notice; } -} diff --git a/src/ISO14496/Box/CTTS.php b/src/ISO14496/Box/CTTS.php deleted file mode 100644 index ec539a4..0000000 --- a/src/ISO14496/Box/CTTS.php +++ /dev/null @@ -1,99 +0,0 @@ -Composition Time to Sample Box provides the offset between - * decoding time and composition time. Since decoding time must be less than the - * composition time, the offsets are expressed as unsigned numbers such that - * CT(n) = DT(n) + CTTS(n) where CTTS(n) is the (uncompressed) table entry for - * sample n. - * - * The composition time to sample table is optional and must only be present if - * DT and CT differ for any samples. Hint tracks do not use this box. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_CTTS extends ISO14496_Box_Full -{ - /** @var Array */ - private $_compositionOffsetTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_compositionOffsetTable[$i] = array - ("sampleCount" => - Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)), - "sampleOffset" => - Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4))); - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o sampleCount -- an integer that counts the number of consecutive samples - * that have the given offset. - * o sampleOffset -- a non-negative integer that gives the offset between CT - * and DT, such that CT(n) = DT(n) + CTTS(n). - * - * @return Array - */ - public function getCompositionOffsetTable() - { - return $this->_compositionOffsetTable; - } -} diff --git a/src/ISO14496/Box/DINF.php b/src/ISO14496/Box/DINF.php deleted file mode 100644 index a8dfbbe..0000000 --- a/src/ISO14496/Box/DINF.php +++ /dev/null @@ -1,71 +0,0 @@ -Data Information Box contains objects that declare the location - * of the media information in a track. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_DINF extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/DREF.php b/src/ISO14496/Box/DREF.php deleted file mode 100644 index ced6db9..0000000 --- a/src/ISO14496/Box/DREF.php +++ /dev/null @@ -1,88 +0,0 @@ -Data Reference Box contains a table of data references (normally - * URLs) that declare the location(s) of the media data used within the - * presentation. The data reference index in the sample description ties entries - * in this table to the samples in the track. A track may be split over several - * sources in this way. - * - * This box may either contain {@link ISO14496_Box_URN urn} or - * {@link ISO14496_Box_URL url} boxes. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_DREF extends ISO14496_Box_Full -{ - /** - * 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->_reader->skip(4); - $this->constructBoxes(); - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - return parent::__toString(Transform::toUInt32BE(count($this->_boxes))); - } -} diff --git a/src/ISO14496/Box/EDTS.php b/src/ISO14496/Box/EDTS.php deleted file mode 100644 index 0e24e13..0000000 --- a/src/ISO14496/Box/EDTS.php +++ /dev/null @@ -1,76 +0,0 @@ -Edit Box maps the presentation time-line to the media time-line as - * it is stored in the file. The Edit Box is a container for the edit lists. - * - * The Edit Box is optional. In the absence of this box, there is an implicit - * one-to-one mapping of these time-lines, and the presentation of a track - * starts at the beginning of the presentation. An empty edit is used to offset - * the start time of a track. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_EDTS extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/ELST.php b/src/ISO14496/Box/ELST.php deleted file mode 100644 index e424f2e..0000000 --- a/src/ISO14496/Box/ELST.php +++ /dev/null @@ -1,108 +0,0 @@ -Edit List Box contains an explicit timeline map. Each entry - * defines part of the track time-line: by mapping part of the media time-line, - * or by indicating empty time, or by defining a dwell, where a single - * time-point in the media is held for a period. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_ELST extends ISO14496_Box_Full -{ - /** @var Array */ - private $_entries = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - for ($i = 1; $i <= $entryCount; $i++) { - $entry = array(); - if ($this->getVersion() == 1) { - $entry["segmentDuration"] = $this->_reader->readInt64BE(); - $entry["mediaTime"] = $this->_reader->readInt64BE(); - } else { - $entry["segmentDuration"] = $this->_reader->readUInt32BE(); - $entry["mediaTime"] = $this->_reader->readInt32BE(); - } - $entry["mediaRate"] = $this->_reader->readInt16BE() + - $this->_reader->readInt16BE() / 10; - $this->_entries[] = $entry; - } - } - - /** - * Returns an array of entries. Each entry is an array containing the - * following keys. - * o segmentDuration: specifies the duration of this edit segment in units - * of the timescale in the {@link ISO14496_Box_MVHD Movie Header Box}. - * o mediaTime: the starting time within the media of this edit segment (in - * media time scale units, in composition time). If this field is set to - * –1, it is an empty edit. The last edit in a track shall never be an - * empty edit. Any difference between the duration in the - * {@link ISO14496_Box_MVHD Movie Header Box}, and the track's duration is - * expressed as an implicit empty edit at the end. - * o mediaRate: the relative rate at which to play the media corresponding - * to this edit segment. If this value is 0, then the edit is specifying - * a dwell: the media at media-time is presented for the segment-duration. - * Otherwise this field shall contain the value 1. - * - * @return Array - */ - public function getEntries() - { - return $this->_entries; - } -} diff --git a/src/ISO14496/Box/FREE.php b/src/ISO14496/Box/FREE.php deleted file mode 100644 index f239e5f..0000000 --- a/src/ISO14496/Box/FREE.php +++ /dev/null @@ -1,76 +0,0 @@ -Free Space Box are irrelevant and may be ignored, or - * the object deleted, without affecting the presentation. (Care should be - * exercised when deleting the object, as this may invalidate the offsets used - * in the sample table, unless this object is after all the media data). - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_FREE extends ISO14496_Box -{ - /** - * Constructs the class with given parameters. - * - * @param Reader $reader The reader object. - */ - public function __construct($reader = null, &$options = array()) - { - parent::__construct($reader, $options); - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - return parent::__toString(str_repeat("\0", $this->getSize() - 8)); - } -} diff --git a/src/ISO14496/Box/FRMA.php b/src/ISO14496/Box/FRMA.php deleted file mode 100644 index bb180e8..0000000 --- a/src/ISO14496/Box/FRMA.php +++ /dev/null @@ -1,78 +0,0 @@ -Original Format Box contains the four-character-code of the - * original un-transformed sample description. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_FRMA extends ISO14496_Box -{ - /** @var string */ - private $_dataFormat; - - /** - * 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); - } - - /** - * Returns the four-character-code of the original un-transformed sample entry - * (e.g. mp4v if the stream contains protected MPEG-4 visual material). - * - * @return string - */ - public function getDataFormat() { return $this->_dataFormat; } -} diff --git a/src/ISO14496/Box/FTYP.php b/src/ISO14496/Box/FTYP.php deleted file mode 100644 index 550e583..0000000 --- a/src/ISO14496/Box/FTYP.php +++ /dev/null @@ -1,142 +0,0 @@ -File Type Box is placed as early as possible in the file (e.g. - * after any obligatory signature, but before any significant variable-size - * boxes such as a {@link ISO14496_Box_MOOV Movie Box}, {@link ISO14496_Box_MDAT - * Media Data Box}, or {@link ISO14496_Box_FREE Free Space}). It identifies - * which specification is the best use of the file, and a minor version - * of that specification; and also a set of others specifications to which the - * file complies. - * - * The minor version is informative only. It does not appear for - * compatible-brands, and must not be used to determine the conformance of a - * file to a standard. It may allow more precise identification of the major - * specification, for inspection, debugging, or improved decoding. - * - * The type isom (ISO Base Media file) is defined as identifying files - * that conform to the first version of the ISO Base Media File Format. More - * specific identifiers can be used to identify precise versions of - * specifications providing more detail. This brand is not be used as the major - * brand; this base file format should be derived into another specification to - * be used. There is therefore no defined normal file extension, or mime type - * assigned to this brand, nor definition of the minor version when isom - * is the major brand. - * - * Files would normally be externally identified (e.g. with a file extension or - * mime type) that identifies the best use (major brand), or the brand - * that the author believes will provide the greatest compatibility. - * - * The brand iso2 shall be used to indicate compatibility with the - * amended version of the ISO Base Media File Format; it may be used in addition - * to or instead of the isom brand and the same usage rules apply. If - * used without the brand isom identifying the first version of the - * specification, it indicates that support for some or all of the technology - * introduced by the amended version of the ISO Base Media File Format is - * required. - * - * The brand avc1 shall be used to indicate that the file is conformant - * with the AVC Extensions. If used without other brands, this implies - * that support for those extensions is required. The use of avc1 as a - * major-brand may be permitted by specifications; in that case, that - * specification defines the file extension and required behavior. - * - * If a Meta-box with an MPEG-7 handler type is used at the file level, then the - * brand mp71 is a member of the compatible-brands list in the file-type - * box. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_FTYP extends ISO14496_Box -{ - /** @var integer */ - private $_majorBrand; - - /** @var integer */ - private $_minorVersion; - - /** @var integer */ - private $_compatibleBrands = array(); - - /** - * 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 major version brand. - * - * @return string - */ - public function getMajorBrand() { return $this->_majorBrand; } - - /** - * Returns the minor version number. - * - * @return integer - */ - public function getMinorVersion() { return $this->_minorVersion; } - - /** - * Returns the array of compatible version brands. - * - * @return Array - */ - public function getCompatibleBrands() { return $this->_compatibleBrands; } -} diff --git a/src/ISO14496/Box/Full.php b/src/ISO14496/Box/Full.php deleted file mode 100644 index 06e7ab9..0000000 --- a/src/ISO14496/Box/Full.php +++ /dev/null @@ -1,124 +0,0 @@ - - * @copyright Copyright (c) 2008 PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -abstract class ISO14496_Box_Full extends ISO14496_Box -{ - /** @var integer */ - protected $_version = 0; - - /** @var integer */ - protected $_flags = 0; - - /** - * 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, $options); - - if ($reader === null) - return; - - $this->_version = (($field = $this->_reader->readUInt32BE()) >> 24) & 0xff; - $this->_flags = $field & 0xffffff; - } - - /** - * Returns the version of this format of the box. - * - * @return integer - */ - public function getVersion() { return $this->_version; } - - /** - * Sets the version of this format of the box. - * - * @param integer $version The version. - */ - public function setVersion($version) { $this->_version = $version; } - - /** - * Checks whether or not the flag is set. Returns true if the flag - * is set, false otherwise. - * - * @param integer $flag The flag to query. - * @return boolean - */ - public function hasFlag($flag) { return ($this->_flags & $flag) == $flag; } - - /** - * Returns the map of flags. - * - * @return integer - */ - public function getFlags() { return $this->_flags; } - - /** - * Sets the map of flags. - * - * @param string $flags The map of flags. - */ - public function setFlags($flags) { $this->_flags = $flags; } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - return parent::__toString - (Transform::toUInt32BE($this->_version << 24 | $this->_flags) . $data); - } -} diff --git a/src/ISO14496/Box/HDLR.php b/src/ISO14496/Box/HDLR.php deleted file mode 100644 index 61b88d3..0000000 --- a/src/ISO14496/Box/HDLR.php +++ /dev/null @@ -1,150 +0,0 @@ -Handler Reference Box is within a {@link ISO14496_Box_MDIA Media - * Box} declares the process by which the media-data in the track is presented, - * and thus, the nature of the media in a track. For example, a video track - * would be handled by a video handler. - * - * This box when present within a {@link ISO14496_Box_META Meta Box}, declares - * the structure or format of the meta box contents. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_HDLR extends ISO14496_Box_Full -{ - /** @var string */ - private $_handlerType; - - /** @var string */ - private $_name; - - /** - * 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, $options); - - if ($reader === null) - return; - - $this->_reader->skip(4); - $this->_handlerType = $this->_reader->read(4); - $this->_reader->skip(12); - $this->_name = $this->_reader->readString8 - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - } - - /** - * Returns the handler type. - * - * When present in a media box, the returned value contains one of the - * following values, or a value from a derived specification: - * o vide Video track - * o soun Audio track - * o hint Hint track - * - * When present in a meta box, the returned value contains an appropriate - * value to indicate the format of the meta box contents. - * - * @return integer - */ - public function getHandlerType() { return $this->_handlerType; } - - /** - * Sets the handler type. - * - * When present in a media box, the value must be set to one of the following - * values, or a value from a derived specification: - * o vide Video track - * o soun Audio track - * o hint Hint track - * - * When present in a meta box, the value must be set to an appropriate value - * to indicate the format of the meta box contents. - * - * @param string $handlerType The handler type. - */ - public function setHandlerType($handlerType) - { - $this->_handlerType = $handlerType; - } - - /** - * Returns the name string. The name is in UTF-8 characters and gives a - * human-readable name for the track type (for debugging and inspection - * purposes). - * - * @return integer - */ - public function getName() { return $this->_name; } - - /** - * Sets the name string. The name must be in UTF-8 and give a human-readable - * name for the track type (for debugging and inspection purposes). - * - * @param string $name The human-readable description. - */ - public function setName($name) { $this->_name = $name; } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - return parent::__toString - ("appl" . $this->_handlerType . Transform::toUInt32BE(0) . - Transform::toUInt32BE(0) . Transform::toUInt32BE(0) . $this->_name . - "\0"); - } -} diff --git a/src/ISO14496/Box/HINT.php b/src/ISO14496/Box/HINT.php deleted file mode 100644 index 286f3e5..0000000 --- a/src/ISO14496/Box/HINT.php +++ /dev/null @@ -1,81 +0,0 @@ - - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_HINT extends ISO14496_Box -{ - /** @var Array */ - private $_trackId = array(); - - /** - * 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(); - } - - /** - * Returns an array of integer references from the containing track to another - * track in the presentation. Track IDs are never re-used and cannot be equal - * to zero. - * - * @return integer - */ - public function getTrackId() { return $this->_trackId; } -} diff --git a/src/ISO14496/Box/HMHD.php b/src/ISO14496/Box/HMHD.php deleted file mode 100644 index 3c39f2c..0000000 --- a/src/ISO14496/Box/HMHD.php +++ /dev/null @@ -1,110 +0,0 @@ -Hint Media Header Box header contains general information, - * independent of the protocol, for hint tracks. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_HMHD extends ISO14496_Box_Full -{ - /** @var integer */ - private $_maxPDUSize; - - /** @var integer */ - private $_avgPDUSize; - - /** @var integer */ - private $_maxBitrate; - - /** @var integer */ - private $_avgBitrate; - - /** - * 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->_maxPDUSize = $this->_reader->readUInt16BE(); - $this->_avgPDUSize = $this->_reader->readUInt16BE(); - $this->_maxBitrate = $this->_reader->readUInt32BE(); - $this->_avgBitrate = $this->_reader->readUInt32BE(); - } - - /** - * Returns the size in bytes of the largest PDU in this (hint) stream. - * - * @return integer - */ - public function getMaxPDUSize() { return $this->_maxPDUSize; } - - /** - * Returns the average size of a PDU over the entire presentation. - * - * @return integer - */ - public function getAvgPDUSize() { return $this->_avgPDUSize; } - - /** - * Returns the maximum rate in bits/second over any window of one second. - * - * @return integer - */ - public function getMaxBitrate() { return $this->_maxbitrate; } - - /** - * Returns the average rate in bits/second over the entire presentation. - * - * @return integer - */ - public function getAvgBitrate() { return $this->_maxbitrate; } -} diff --git a/src/ISO14496/Box/ID32.php b/src/ISO14496/Box/ID32.php deleted file mode 100644 index 7c17394..0000000 --- a/src/ISO14496/Box/ID32.php +++ /dev/null @@ -1,131 +0,0 @@ -ID3v2 Box resides under the {@link ISO14496_Box_META Meta Box} and - * stores ID3 version 2 meta-data. There may be more than one ID3v2 Box present - * each with a different language code. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_ID32 extends ISO14496_Box_Full -{ - /** @var string */ - private $_language = "und"; - - /** @var ID3v2 */ - private $_tag; - - /** - * 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, $options); - - if ($reader === null) - return; - - $this->_language = - chr(((($tmp = $this->_reader->readUInt16BE()) >> 10) & 0x1f) + 0x60) . - chr((($tmp >> 5) & 0x1f) + 0x60) . chr(($tmp & 0x1f) + 0x60); - $this->_tag = new ID3v2($this->_reader, array("readonly" => true)); - } - - /** - * Returns the three byte language code to describe the language of this - * media, according to {@link http://www.loc.gov/standards/iso639-2/ - * ISO 639-2/T}. - * - * @return string - */ - public function getLanguage() { return $this->_language; } - - /** - * Sets the three byte language code as specified in the - * {@link http://www.loc.gov/standards/iso639-2/ ISO 639-2} standard. - * - * @param string $language The language code. - */ - public function setLanguage($language) { $this->_language = $language; } - - /** - * Returns the {@link ID3v2} tag class instance. - * - * @return string - */ - public function getTag() { return $this->_tag; } - - /** - * Sets the {@link ID3v2} tag class instance using given language. - * - * @param ID3v2 $tag The tag instance. - * @param string $language The language code. - */ - public function setTag($tag, $language = false) - { - $this->_tag = $tag; - if ($language !== false) - $this->_language = $language; - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - return parent::__toString - (Transform::toUInt16BE - (((ord($this->_language[0]) - 0x60) << 10) | - ((ord($this->_language[1]) - 0x60) << 5) | - ord($this->_language[2]) - 0x60) . $this->_tag); - } -} diff --git a/src/ISO14496/Box/IINF.php b/src/ISO14496/Box/IINF.php deleted file mode 100644 index a45270b..0000000 --- a/src/ISO14496/Box/IINF.php +++ /dev/null @@ -1,87 +0,0 @@ -Item Information Box provides extra information about selected - * items, including symbolic (file) names. It may optionally occur, but - * if it does, it must be interpreted, as item protection or content encoding - * may have changed the format of the data in the item. If both content encoding - * and protection are indicated for an item, a reader should first un-protect - * the item, and then decode the item's content encoding. If more control is - * needed, an IPMP sequence code may be used. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_IINF extends ISO14496_Box -{ - /** - * 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->_reader->skip(2); - $this->constructBoxes(); - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - return parent::__toString(Transform::toUInt16BE(count($this->_boxes))); - } -} diff --git a/src/ISO14496/Box/ILOC.php b/src/ISO14496/Box/ILOC.php deleted file mode 100644 index 315e7e9..0000000 --- a/src/ISO14496/Box/ILOC.php +++ /dev/null @@ -1,134 +0,0 @@ -The Item Location Box provides a directory of resources in this or - * other files, by locating their containing file, their offset within that - * file, and their length. Placing this in binary format enables common handling - * of this data, even by systems which do not understand the particular metadata - * system (handler) used. For example, a system might integrate all the - * externally referenced metadata resources into one file, re-adjusting file - * offsets and file references accordingly. - * - * Items may be stored fragmented into extents, e.g. to enable interleaving. An - * extent is a contiguous subset of the bytes of the resource; the resource is - * formed by concatenating the extents. If only one extent is used then either - * or both of the offset and length may be implied: - * - * o If the offset is not identified (the field has a length of zero), then - * the beginning of the file (offset 0) is implied. - * o If the length is not specified, or specified as zero, then the entire - * file length is implied. References into the same file as this metadata, - * or items divided into more than one extent, should have an explicit - * offset and length, or use a MIME type requiring a different - * interpretation of the file, to avoid infinite recursion. - * - * The size of the item is the sum of the extentLengths. Note: extents may be - * interleaved with the chunks defined by the sample tables of tracks. - * - * The dataReferenceIndex may take the value 0, indicating a reference into the - * same file as this metadata, or an index into the dataReference table. - * - * Some referenced data may itself use offset/length techniques to address - * resources within it (e.g. an MP4 file might be included in this way). - * Normally such offsets are relative to the beginning of the containing file. - * The field base offset provides an additional offset for offset calculations - * within that contained data. For example, if an MP4 file is included within a - * file formatted to this specification, then normally data-offsets within that - * MP4 section are relative to the beginning of file; baseOffset adds to those - * offsets. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_ILOC extends ISO14496_Box -{ - /** @var Array */ - private $_items = array(); - - /** - * 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 array of items. Each entry has the following keys set: itemId, - * dataReferenceIndex, baseOffset, and extents. - * - * @return Array - */ - public function getItems() { return $this->_items; } -} diff --git a/src/ISO14496/Box/ILST.php b/src/ISO14496/Box/ILST.php deleted file mode 100644 index a54ac8a..0000000 --- a/src/ISO14496/Box/ILST.php +++ /dev/null @@ -1,281 +0,0 @@ - - *
  • _nam -- Name of the track
    • - *
  • _ART -- Name of the artist
    • - *
  • aART -- Name of the album artist
    • - *
  • _alb -- Name of the album
    • - *
  • _grp -- Grouping
    • - *
  • _day -- Year of publication
    • - *
  • trkn -- Track number (number/total)
    • - *
  • disk -- Disk number (number/total)
    • - *
  • tmpo -- BPM tempo
    • - *
  • _wrt -- Name of the composer
    • - *
  • _cmt -- Comments
    • - *
  • _gen -- Genre as string
    • - *
  • gnre -- Genre as an ID3v1 code, added by one
    • - *
  • cpil -- Part of a compilation (0/1)
    • - *
  • tvsh -- Name of the (television) show
    • - *
  • sonm -- Sort name of the track
    • - *
  • soar -- Sort name of the artist
    • - *
  • soaa -- Sort name of the album artist
    • - *
  • soal -- Sort name of the album
    • - *
  • soco -- Sort name of the composer
    • - *
  • sosn -- Sort name of the show
    • - *
  • _lyr -- Lyrics
    • - *
  • covr -- Cover (or other) artwork binary data
    • - *
  • _too -- Information about the software
    • - * - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - * @since iTunes/iPod specific - */ -final class ISO14496_Box_ILST extends ISO14496_Box -{ - /** - * 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("ISO14496_Box_ILST_Container"); - } - - /** - * Override magic function so that $obj->value on a box will return the data - * box instead of the data container box. - * - * @param string $name The box or field name. - * @return mixed - */ - public function __get($name) - { - if (strlen($name) == 3) - $name = "\xa9" . $name; - if ($name[0] == "_") - $name = "\xa9" . substr($name, 1, 3); - if ($this->hasBox($name)) { - $boxes = $this->getBoxesByIdentifier($name); - return $boxes[0]->data; - } - if (method_exists($this, "get" . ucfirst($name))) - return call_user_func(array($this, "get" . ucfirst($name))); - return $this->addBox(new ISO14496_Box_ILST_Container($name))->data; - } -} - -/** - * Generic iTunes/iPod DATA Box container. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - * @since iTunes/iPod specific - * @ignore - */ -final class ISO14496_Box_ILST_Container extends ISO14496_Box -{ - 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(); - } -} - -/**#@+ @ignore */ -require_once("ISO14496/Box/Full.php"); -/**#@-*/ - -/** - * A box that contains data for iTunes/iPod specific boxes. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - * @since iTunes/iPod specific - */ -final class ISO14496_Box_DATA extends ISO14496_Box_Full -{ - /** @var mixed */ - private $_value; - - /** A flag to indicate that the data is an unsigned 8-bit integer. */ - const INTEGER = 0x0; - - /** - * A flag to indicate that the data is an unsigned 8-bit integer. Different - * value used in old versions of iTunes. - */ - const INTEGER_OLD_STYLE = 0x15; - - /** A flag to indicate that the data is a string. */ - const STRING = 0x1; - - /** A flag to indicate that the data is the contents of an JPEG image. */ - const JPEG = 0xd; - - /** A flag to indicate that the data is the contents of a PNG image. */ - const PNG = 0xe; - - /** - * 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, $options); - - if ($reader === null) - return; - - $this->_reader->skip(4); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - switch ($this->getFlags()) { - case self::INTEGER: - case self::INTEGER_OLD_STYLE: - for ($i = 0; $i < strlen($data); $i++) - $this->_value .= Transform::fromInt8($data[$i]); - break; - case self::STRING: - default: - $this->_value = $data; - } - } - - /** - * Returns the value this box contains. - * - * @return mixed - */ - public function getValue() { return $this->_value; } - - /** - * Sets the value this box contains. - * - * @return mixed - */ - public function setValue($value, $type = false) - { - $this->_value = (string)$value; - if ($type === false && is_string($value)) - $this->_flags = self::STRING; - if ($type === false && is_int($value)) - $this->_flags = self::INTEGER; - if ($type !== false) - $this->_flags = $type; - } - - /** - * Override magic function so that $obj->data will return the current box - * instead of an error. For other values the method will attempt to call a - * getter method. - * - * If there are no getter methods with given name, the method will yield an - * exception. - * - * @param string $name The box or field name. - * @return mixed - */ - public function __get($name) - { - if ($name == "data") - return $this; - if (method_exists($this, "get" . ucfirst($name))) - return call_user_func(array($this, "get" . ucfirst($name))); - require_once("ISO14496/Exception.php"); - throw new ISO14496_Exception("Unknown box/field: " . $name); - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - switch ($this->getFlags()) { - case self::INTEGER: - case self::INTEGER_OLD_STYLE: - $data = ""; - for ($i = 0; $i < strlen($this->_value); $i++) - $data .= Transform::toInt8($this->_value[$i]); - break; - case self::STRING: - default: - $data = $this->_value; - } - return parent::__toString("\0\0\0\0" . $data); - } -} diff --git a/src/ISO14496/Box/IMIF.php b/src/ISO14496/Box/IMIF.php deleted file mode 100644 index a8fcf8f..0000000 --- a/src/ISO14496/Box/IMIF.php +++ /dev/null @@ -1,91 +0,0 @@ -IPMP Information Box contains IPMP Descriptors which document the - * protection applied to the stream. - * - * IPMP_Descriptor is defined in 14496-1. This is a part of the MPEG-4 object - * descriptors (OD) that describe how an object can be accessed and decoded. - * Here, in the ISO Base Media File Format, IPMP Descriptor can be carried - * directly in IPMP Information Box without the need for OD stream. - * - * The presence of IPMP Descriptor in this box indicates the associated media - * stream is protected by the IPMP Tool described in the IPMP Descriptor. - * - * Each IPMP_Descriptor has an IPMP_ToolID, which identifies the required IPMP - * tool for protection. An independent registration authority (RA) is used so - * any party can register its own IPMP Tool and identify this without - * collisions. - * - * The IPMP_Descriptor carries IPMP information for one or more IPMP Tool - * instances, it includes but not limited to IPMP Rights Data, IPMP Key Data, - * Tool Configuration Data, etc. - * - * More than one IPMP Descriptors can be carried in this box if this media - * stream is protected by more than one IPMP Tools. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_IMIF extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/INFE.php b/src/ISO14496/Box/INFE.php deleted file mode 100644 index 28740bb..0000000 --- a/src/ISO14496/Box/INFE.php +++ /dev/null @@ -1,131 +0,0 @@ -Item Information Entry Box contains the entry information. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_INFE extends ISO14496_Box_Full -{ - /** @var integer */ - private $_itemId; - - /** @var integer */ - private $_itemProtectionIndex; - - /** @var string */ - private $_itemName; - - /** @var string */ - private $_contentType; - - /** @var string */ - private $_contentEncoding; - - /** - * 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->_itemId = $this->_reader->readUInt16BE(); - $this->_itemProtectionIndex = $this->_reader->readUInt16BE(); - list($this->_itemName, $this->_contentType, $this->_contentEncoding) = - preg_split - ("/\\x00/", $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset())); - } - - /** - * Returns the item identifier. The value is either 0 for the primary resource - * (e.g. the XML contained in an {@link ISO14496_Box_XML XML Box}) or the ID - * of the item for which the following information is defined. - * - * @return integer - */ - public function getItemId() { return $this->_itemId; } - - /** - * Returns the item protection index. The value is either 0 for an unprotected - * item, or the one-based index into the {@link ISO14496_Box_IPRO Item - * Protection Box} defining the protection applied to this item (the first box - * in the item protection box has the index 1). - * - * @return integer - */ - public function getItemProtectionIndex() - { - return $this->_itemProtectionIndex; - } - - /** - * Returns the symbolic name of the item. - * - * @return string - */ - public function getItemName() { return $this->_itemName; } - - /** - * Returns the MIME type for the item. - * - * @return string - */ - public function getContentType() { return $this->_contentType; } - - /** - * Returns the optional content encoding type as defined for Content-Encoding - * for HTTP /1.1. Some possible values are gzip, compress and - * deflate. An empty string indicates no content encoding. - * - * @return string - */ - public function getContentEncoding() { return $this->_contentEncoding; } -} diff --git a/src/ISO14496/Box/IPMC.php b/src/ISO14496/Box/IPMC.php deleted file mode 100644 index 1d86051..0000000 --- a/src/ISO14496/Box/IPMC.php +++ /dev/null @@ -1,56 +0,0 @@ -IPMP Control Box may contain IPMP descriptors which may be - * referenced by any stream in the file. - * - * @todo Data parsing - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_IPMC extends ISO14496_Box_Full -{ -} diff --git a/src/ISO14496/Box/IPRO.php b/src/ISO14496/Box/IPRO.php deleted file mode 100644 index 658fd0c..0000000 --- a/src/ISO14496/Box/IPRO.php +++ /dev/null @@ -1,82 +0,0 @@ -Item Protection Box provides an array of item protection - * information, for use by the {@link ISO14496_Box_IINF Item Information Box}. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_IPRO extends ISO14496_Box -{ - /** - * 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->_reader->skip(2); - $this->constructBoxes(); - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - return parent::__toString(Transform::toUInt16BE(count($this->_boxes))); - } -} diff --git a/src/ISO14496/Box/MDAT.php b/src/ISO14496/Box/MDAT.php deleted file mode 100644 index 84441c7..0000000 --- a/src/ISO14496/Box/MDAT.php +++ /dev/null @@ -1,66 +0,0 @@ -Media Data Box contains the media data. In video tracks, this box - * would contain video frames. There may be any number of these boxes in the - * file (including zero, if all the media data is in other files). - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MDAT extends ISO14496_Box -{ - /** - * 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); - } -} diff --git a/src/ISO14496/Box/MDHD.php b/src/ISO14496/Box/MDHD.php deleted file mode 100644 index e0211eb..0000000 --- a/src/ISO14496/Box/MDHD.php +++ /dev/null @@ -1,136 +0,0 @@ -Media Header Box declares overall information that is - * media-independent, and relevant to characteristics of the media in a track. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MDHD extends ISO14496_Box_Full -{ - /** @var integer */ - private $_creationTime; - - /** @var integer */ - private $_modificationTime; - - /** @var integer */ - private $_timescale; - - /** @var integer */ - private $_duration; - - /** @var string */ - private $_language; - - /** - * 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, $options); - - if ($this->getVersion() == 1) { - $this->_creationTime = $this->_reader->readInt64BE(); - $this->_modificationTime = $this->_reader->readInt64BE(); - $this->_timescale = $this->_reader->readUInt32BE(); - $this->_duration = $this->_reader->readInt64BE(); - } else { - $this->_creationTime = $this->_reader->readUInt32BE(); - $this->_modificationTime = $this->_reader->readUInt32BE(); - $this->_timescale = $this->_reader->readUInt32BE(); - $this->_duration = $this->_reader->readUInt32BE(); - } - $this->_language = - chr(((($tmp = $this->_reader->readUInt16BE()) >> 10) & 0x1f) + 0x60) . - chr((($tmp >> 5) & 0x1f) + 0x60) . chr(($tmp & 0x1f) + 0x60); - } - - /** - * Returns the creation time of the media in this track, in seconds since - * midnight, Jan. 1, 1904, in UTC time. - * - * @return integer - */ - public function getCreationTime() { return $this->_creationTime; } - - /** - * Returns the most recent time the media in this track was modified in - * seconds since midnight, Jan. 1, 1904, in UTC time. - * - * @return integer - */ - public function getModificationTime() { return $this->_modificationTime; } - - /** - * Returns the time-scale for this media. This is the number of time units - * that pass in one second. For example, a time coordinate system that - * measures time in sixtieths of a second has a time scale of 60. - * - * @return integer - */ - public function getTimescale() { return $this->_timescale; } - - /** - * Returns the duration of this media (in the scale of the timescale). - * - * @return integer - */ - public function getDuration() { return $this->_duration; } - - /** - * Returns the three byte language code to describe the language of this - * media, according to {@link http://www.loc.gov/standards/iso639-2/ - * ISO 639-2/T}. - * - * @return string - */ - public function getLanguage() { return $this->_language; } -} diff --git a/src/ISO14496/Box/MDIA.php b/src/ISO14496/Box/MDIA.php deleted file mode 100644 index 70f399a..0000000 --- a/src/ISO14496/Box/MDIA.php +++ /dev/null @@ -1,71 +0,0 @@ -Media Box contains all the objects that declare information about - * the media data within a track. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MDIA extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/MEHD.php b/src/ISO14496/Box/MEHD.php deleted file mode 100644 index 8d25d95..0000000 --- a/src/ISO14496/Box/MEHD.php +++ /dev/null @@ -1,84 +0,0 @@ -Movie Extends Header Box is optional, and provides the overall - * duration, including fragments, of a fragmented movie. If this box is not - * present, the overall duration must be computed by examining each fragment. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MEHD extends ISO14496_Box_Full -{ - /** @var integer */ - private $_fragmentDuration; - - /** - * 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, $options); - - if ($this->getVersion() == 1) - $this->_fragmentDuration = $this->_reader->readInt64BE(); - else - $this->_fragmentDuration = $this->_reader->readUInt32BE(); - } - - /** - * Returns the length of the presentation of the whole movie including - * fragments (in the timescale indicated in the {@link ISO14496_Box_MVHD - * Movie Header Box}). The value of this field corresponds to the duration of - * the longest track, including movie fragments. - * - * @return integer - */ - public function getFragmentDuration() { return $this->_fragmentDuration; } -} diff --git a/src/ISO14496/Box/META.php b/src/ISO14496/Box/META.php deleted file mode 100644 index 0e7e532..0000000 --- a/src/ISO14496/Box/META.php +++ /dev/null @@ -1,90 +0,0 @@ -Meta Box contains descriptive or annotative metadata. The - * meta box is required to contain a {@link ISO14496_Box_HDLR hdlr} box - * indicating the structure or format of the meta box contents. That - * metadata is located either within a box within this box (e.g. an XML box), or - * is located by the item identified by a primary item box. - * - * All other contained boxes are specific to the format specified by the handler - * box. - * - * The other boxes defined here may be defined as optional or mandatory for a - * given format. If they are used, then they must take the form specified here. - * These optional boxes include a data-information box, which documents other - * files in which metadata values (e.g. pictures) are placed, and a item - * location box, which documents where in those files each item is located (e.g. - * in the common case of multiple pictures stored in the same file). At most one - * meta box may occur at each of the file level, movie level, or track level. - * - * If an {@link ISO14496_Box_IPRO Item Protection Box} occurs, then some or all - * of the meta-data, including possibly the primary resource, may have been - * protected and be un-readable unless the protection system is taken into - * account. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_META extends ISO14496_Box_Full -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/MFHD.php b/src/ISO14496/Box/MFHD.php deleted file mode 100644 index eb64359..0000000 --- a/src/ISO14496/Box/MFHD.php +++ /dev/null @@ -1,80 +0,0 @@ -Movie Fragment Header Box contains a sequence number, as a safety - * check. The sequence number usually starts at 1 and must increase for each - * movie fragment in the file, in the order in which they occur. This allows - * readers to verify integrity of the sequence; it is an error to construct a - * file where the fragments are out of sequence. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MFHD extends ISO14496_Box_Full -{ - /** @var integer */ - private $_sequenceNumber; - - /** - * 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->_sequenceNumber = $this->_reader->readUInt32BE(); - } - - /** - * Returns the ordinal number of this fragment, in increasing order. - * - * @return integer - */ - public function getSequenceNumber() { return $this->_sequenceNumber; } -} diff --git a/src/ISO14496/Box/MFRA.php b/src/ISO14496/Box/MFRA.php deleted file mode 100644 index 54eb649..0000000 --- a/src/ISO14496/Box/MFRA.php +++ /dev/null @@ -1,85 +0,0 @@ -Movie Fragment Random Access Box provides a table which may assist - * readers in finding random access points in a file using movie fragments. It - * contains a track fragment random access box for each track for which - * information is provided (which may not be all tracks). It is usually placed - * at or near the end of the file; the last box within the Movie Fragment Random - * Access Box provides a copy of the length field from the Movie Fragment Random - * Access Box. Readers may attempt to find this box by examining the last 32 - * bits of the file, or scanning backwards from the end of the file for a Movie - * Fragment Random Access Offset Box and using the size information in it, to - * see if that locates the beginning of a Movie Fragment Random Access Box. - * - * This box provides only a hint as to where random access points are; the movie - * fragments themselves are definitive. It is recommended that readers take care - * in both locating and using this box as modifications to the file after it was - * created may render either the pointers, or the declaration of random access - * points, incorrect. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MFRA extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/MFRO.php b/src/ISO14496/Box/MFRO.php deleted file mode 100644 index 08008e2..0000000 --- a/src/ISO14496/Box/MFRO.php +++ /dev/null @@ -1,85 +0,0 @@ -Movie Fragment Random Access Offset Box provides a copy of the - * length field from the enclosing {@link ISO14496_Box_MFRA Movie Fragment - * Random Access Box}. It is placed last within that box, so that the size field - * is also last in the enclosing Movie Fragment Random Access Box. When the - * Movie Fragment Random Access Box is also last in the file this permits its - * easy location. The size field here must be correct. However, neither the - * presence of the Movie Fragment Random Access Box, nor its placement last in - * the file, are assured. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MFRO extends ISO14496_Box_Full -{ - /** @var integer */ - private $_parentSize; - - /** - * 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->_parentSize = $this->_reader->readUInt32BE(); - } - - /** - * Returns the number of bytes of the enclosing {@link ISO14496_Box_MFRA} box. - * This field is placed at the last of the enclosing box to assist readers - * scanning from the end of the file in finding the mfra box. - * - * @return integer - */ - public function getParentSize() { return $this->_parentSize; } -} diff --git a/src/ISO14496/Box/MINF.php b/src/ISO14496/Box/MINF.php deleted file mode 100644 index cf5dd1b..0000000 --- a/src/ISO14496/Box/MINF.php +++ /dev/null @@ -1,71 +0,0 @@ -Media Information Box contains all the objects that declare - * characteristic information of the media in the track. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MINF extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/MOOF.php b/src/ISO14496/Box/MOOF.php deleted file mode 100644 index 55e3c1c..0000000 --- a/src/ISO14496/Box/MOOF.php +++ /dev/null @@ -1,81 +0,0 @@ -Movie Fragment Box extend the presentation in time. They provide - * the information that would previously have been in the - * {@link ISO14496_Box_MOOV Movie Box}. The actual samples are in - * {@link ISO14496_Box_MDAT Media Data Boxes}, as usual, if they are in the same - * file. The data reference index is in the sample description, so it is - * possible to build incremental presentations where the media data is in files - * other than the file containing the Movie Box. - * - * The Movie Fragment Box is a top-level box, (i.e. a peer to the Movie Box and - * Media Data boxes). It contains a {@link ISO14496_Box_MFHD Movie Fragment - * Header Box}, and then one or more {@link ISO14496_Box_TRAF Track Fragment - * Boxes}. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MOOF extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/MOOV.php b/src/ISO14496/Box/MOOV.php deleted file mode 100644 index 208f200..0000000 --- a/src/ISO14496/Box/MOOV.php +++ /dev/null @@ -1,72 +0,0 @@ -Movie Box - * which occurs at the top-level of a file. Normally this box is close to the - * beginning or end of the file, though this is not required. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MOOV extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/MVEX.php b/src/ISO14496/Box/MVEX.php deleted file mode 100644 index f4d4a4a..0000000 --- a/src/ISO14496/Box/MVEX.php +++ /dev/null @@ -1,74 +0,0 @@ -Movie Extends Box warns readers that there might be - * {@link ISO14496_Box_MFRA Movie Fragment Boxes} in this file. To know of all - * samples in the tracks, these Movie Fragment Boxes must be found and scanned - * in order, and their information logically added to that found in the - * {@link ISO14496_Box_MOOV Movie Box}. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MVEX extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/MVHD.php b/src/ISO14496/Box/MVHD.php deleted file mode 100644 index dac4288..0000000 --- a/src/ISO14496/Box/MVHD.php +++ /dev/null @@ -1,166 +0,0 @@ -Movie Header Box defines overall information which is - * media-independent, and relevant to the entire presentation considered as a - * whole. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_MVHD extends ISO14496_Box_Full -{ - /** @var integer */ - private $_creationTime; - - /** @var integer */ - private $_modificationTime; - - /** @var integer */ - private $_timescale; - - /** @var integer */ - private $_duration; - - /** @var integer */ - private $_rate; - - /** @var integer */ - private $_volume; - - /** @var integer */ - private $_nextTrackId; - - /** - * 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, $options); - - if ($this->getVersion() == 1) { - $this->_creationTime = $this->_reader->readInt64BE(); - $this->_modificationTime = $this->_reader->readInt64BE(); - $this->_timescale = $this->_reader->readUInt32BE(); - $this->_duration = $this->_reader->readInt64BE(); - } else { - $this->_creationTime = $this->_reader->readUInt32BE(); - $this->_modificationTime = $this->_reader->readUInt32BE(); - $this->_timescale = $this->_reader->readUInt32BE(); - $this->_duration = $this->_reader->readUInt32BE(); - } - $this->_rate = - ((($tmp = $this->_reader->readUInt32BE()) >> 16) & 0xffff) + - ($tmp & 0xffff) / 10; - $this->_volume = ((($tmp = $this->_reader->readUInt16BE()) >> 8) & 0xff) + - ($tmp & 0xff) / 10; - $this->_reader->skip(70); - $this->_nextTrackId = $this->_reader->readUInt32BE(); - } - - /** - * Returns the creation time of the presentation. The value is in seconds - * since midnight, Jan. 1, 1904, in UTC time. - * - * @return integer - */ - public function getCreationTime() { return $this->_creationTime; } - - /** - * Returns the most recent time the presentation was modified. The value is in - * seconds since midnight, Jan. 1, 1904, in UTC time. - * - * @return integer - */ - public function getModificationTime() { return $this->_modificationTime; } - - /** - * Returns the time-scale for the entire presentation. This is the number of - * time units that pass in one second. For example, a time coordinate system - * that measures time in sixtieths of a second has a time scale of 60. - * - * @return integer - */ - public function getTimescale() { return $this->_timescale; } - - /** - * Returns the length of the presentation in the indicated timescale. This - * property is derived from the presentation's tracks: the value of this field - * corresponds to the duration of the longest track in the presentation. - * - * @return integer - */ - public function getDuration() { return $this->_duration; } - - /** - * Returns the preferred rate to play the presentation. 1.0 is normal forward - * playback. - * - * @return integer - */ - public function getRate() { return $this->_rate; } - - /** - * Returns the preferred playback volume. 1.0 is full volume. - * - * @return integer - */ - public function getVolume() { return $this->_volume; } - - /** - * Returns a value to use for the track ID of the next track to be added to - * this presentation. Zero is not a valid track ID value. The value is larger - * than the largest track-ID in use. If this value is equal to or larger than - * 32-bit maxint, and a new media track is to be added, then a search must be - * made in the file for a unused track identifier. - * - * @return integer - */ - public function getNextTrackId() { return $this->_nextTrackId; } -} diff --git a/src/ISO14496/Box/NMHD.php b/src/ISO14496/Box/NMHD.php deleted file mode 100644 index 96ecf5b..0000000 --- a/src/ISO14496/Box/NMHD.php +++ /dev/null @@ -1,55 +0,0 @@ -Null Media Header Box, - * as defined here. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_NMHD extends ISO14496_Box_Full -{ -} diff --git a/src/ISO14496/Box/PADB.php b/src/ISO14496/Box/PADB.php deleted file mode 100644 index e1425ec..0000000 --- a/src/ISO14496/Box/PADB.php +++ /dev/null @@ -1,57 +0,0 @@ -Padding Bits BoxIn some streams the media samples do not occupy - * all bits of the bytes given by the sample size, and are padded at the end to - * a byte boundary. In some cases, it is necessary to record externally the - * number of padding bits used. This table supplies that information. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_PADB extends ISO14496_Box_Full -{ -} diff --git a/src/ISO14496/Box/PDIN.php b/src/ISO14496/Box/PDIN.php deleted file mode 100644 index 5bb3a40..0000000 --- a/src/ISO14496/Box/PDIN.php +++ /dev/null @@ -1,97 +0,0 @@ -Progressive Download Information Box aids the progressive download - * of an ISO file. The box contains pairs of numbers (to the end of the box) - * specifying combinations of effective file download bitrate in units of - * bytes/sec and a suggested initial playback delay in units of milliseconds. - * - * A receiving party can estimate the download rate it is experiencing, and from - * that obtain an upper estimate for a suitable initial delay by linear - * interpolation between pairs, or by extrapolation from the first or last - * entry. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_PDIN extends ISO14496_Box_Full -{ - /** @var Array */ - private $_progressiveDownloadInfo = array(); - - /** - * 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->getOffset() + $this->getSize()) - $this->_progressiveDownloadInfo[] = array - ("rate" => $this->_reader->readUInt32BE(), - "initialDelay" => $this->_reader->readUInt32BE()); - } - - /** - * Returns the progressive download information array. The array consists of - * items having two keys. - * - * o rate -- the download rate expressed in bytes/second - * o initialDelay -- the suggested delay to use when playing the file, - * such that if download continues at the given rate, all data within the - * file will arrive in time for its use and playback should not need to - * stall. - * - * @return Array - */ - public function getProgressiveDownloadInfo() - { - return $this->_progressiveDownloadInfo; - } -} diff --git a/src/ISO14496/Box/PITM.php b/src/ISO14496/Box/PITM.php deleted file mode 100644 index 465f48d..0000000 --- a/src/ISO14496/Box/PITM.php +++ /dev/null @@ -1,85 +0,0 @@ -Primary Item Box must - * occur, or there must be a box within the meta-box (e.g. an - * {@link ISO14496_Box_XML XML Box}) containing the primary information in the - * format required by the identified handler. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_PITM extends ISO14496_Box_Full -{ - /** @var string */ - private $_itemId; - - /** - * 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->_itemId = $this->_reader->readUInt16BE(); - } - - /** - * Returns the identifier of the primary item. - * - * @return integer - */ - public function getItemId() - { - return $this->_itemId; - } -} diff --git a/src/ISO14496/Box/SBGP.php b/src/ISO14496/Box/SBGP.php deleted file mode 100644 index 299cccd..0000000 --- a/src/ISO14496/Box/SBGP.php +++ /dev/null @@ -1,132 +0,0 @@ -Sample To Group Box table can be used to find the group that a - * sample belongs to and the associated description of that sample group. The - * table is compactly coded with each entry giving the index of the first sample - * of a run of samples with the same sample group descriptor. The sample group - * description ID is an index that refers to a {@link ISO14496_Box_SGPD Sample - * Group Description Box}, which contains entries describing the characteristics - * of each sample group. - * - * There may be multiple instances of this box if there is more than one sample - * grouping for the samples in a track. Each instance of the Sample To Group Box - * has a type code that distinguishes different sample groupings. Within a - * track, there shall be at most one instance of this box with a particular - * grouping type. The associated Sample Group Description shall indicate the - * same value for the grouping type. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SBGP extends ISO14496_Box_Full -{ - /** @var integer */ - private $_groupingType; - - /** @var Array */ - private $_sampleToGroupTable = array(); - - /** - * 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); - - $groupingType = $this->_reader->readUInt32BE(); - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_sampleToGroupTable[$i] = array - ("sampleCount" => - Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)), - "groupDescriptionIndex" => - Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4))); - } - - /** - * Returns the grouping type that identifies the type (i.e. criterion used to - * form the sample groups) of the sample grouping and links it to its sample - * group description table with the same value for grouping type. At most one - * occurrence of this box with the same value for groupingType shall exist for - * a track. - * - * @return integer - */ - public function getGroupingType() - { - return $this->_groupingType; - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o sampleCount -- an integer that gives the number of consecutive samples - * with the same sample group descriptor. If the sum of the sample count - * in this box is less than the total sample count, then the reader should - * effectively extend it with an entry that associates the remaining - * samples with no group. It is an error for the total in this box to be - * greater than the sample_count documented elsewhere, and the reader - * behavior would then be undefined. - * o groupDescriptionIndex -- an integer that gives the index of the sample - * group entry which describes the samples in this group. The index ranges - * from 1 to the number of sample group entries in the - * {@link ISO14496_Box_SGPD Sample Group Description Box}, or takes the - * value 0 to indicate that this sample is a member of no group of this - * type. - * - * @return Array - */ - public function getSampleToGroupTable() - { - return $this->_sampleToGroupTable; - } -} diff --git a/src/ISO14496/Box/SCHI.php b/src/ISO14496/Box/SCHI.php deleted file mode 100644 index 2e7c43e..0000000 --- a/src/ISO14496/Box/SCHI.php +++ /dev/null @@ -1,74 +0,0 @@ -Scheme Information Box is a container Box that is only interpreted - * by the scheme being used. Any information the encryption system needs is - * stored here. The content of this box is a series of boxes whose type and - * format are defined by the scheme declared in the - * {@link ISO14496_Box_SCHM Scheme Type Box}. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SCHI extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/SCHM.php b/src/ISO14496/Box/SCHM.php deleted file mode 100644 index 148448b..0000000 --- a/src/ISO14496/Box/SCHM.php +++ /dev/null @@ -1,103 +0,0 @@ -Scheme Type Box identifies the protection scheme. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SCHM extends ISO14496_Box_Full -{ - /** @var string */ - private $_schemeType; - - /** @var integer */ - private $_schemeVersion; - - /** @var string */ - private $_schemeUri; - - /** - * 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->_schemeType = $this->_reader->read(4); - $this->_schemeVersion = $this->_reader->readUInt32BE(); - if ($this->hasFlag(1)) - $this->_schemeUri = preg_split - ("/\\x00/", $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset())); - } - - /** - * Returns the code defining the protection scheme. - * - * @return string - */ - public function getSchemeType() { return $this->_schemeType; } - - /** - * Returns the version of the scheme used to create the content. - * - * @return integer - */ - public function getSchemeVersion() { return $this->_schemeVersion; } - - /** - * Returns the optional scheme address to allow for the option of directing - * the user to a web-page if they do not have the scheme installed on their - * system. It is an absolute URI. - * - * @return string - */ - public function getSchemeUri() { return $this->_schemeUri; } -} diff --git a/src/ISO14496/Box/SDTP.php b/src/ISO14496/Box/SDTP.php deleted file mode 100644 index b5b6818..0000000 --- a/src/ISO14496/Box/SDTP.php +++ /dev/null @@ -1,130 +0,0 @@ -Independent and Disposable Samples Box optional table answers - * three questions about sample dependency: - * 1) does this sample depend on others (is it an I-picture)? - * 2) do no other samples depend on this one? - * 3) does this sample contain multiple (redundant) encodings of the data at - * this time-instant (possibly with different dependencies)? - * - * In the absence of this table: - * 1) the sync sample table answers the first question; in most video codecs, - * I-pictures are also sync points, - * 2) the dependency of other samples on this one is unknown. - * 3) the existence of redundant coding is unknown. - * - * When performing trick modes, such as fast-forward, it is possible to use the - * first piece of information to locate independently decodable samples. - * Similarly, when performing random access, it may be necessary to locate the - * previous sync point or random access recovery point, and roll-forward from - * the sync point or the pre-roll starting point of the random access recovery - * point to the desired point. While rolling forward, samples on which no others - * depend need not be retrieved or decoded. - * - * The value of sampleIsDependedOn is independent of the existence of redundant - * codings. However, a redundant coding may have different dependencies from the - * primary coding; if redundant codings are available, the value of - * sampleDependsOn documents only the primary coding. - * - * A sample dependency Box may also occur in the {@link ISO14496_Box_TRAF Track - * Fragment Box}. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SDTP extends ISO14496_Box_Full -{ - /** @var Array */ - private $_sampleDependencyTypeTable = array(); - - /** - * 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); - - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - $dataSize = strlen($data); - for ($i = 1; $i <= $dataSize; $i++) - $this->_sampleDependencyTypeTable[$i] = array - ("sampleDependsOn" => (($tmp = Transform::fromInt8 - ($data[$i - 1])) >> 4) & 0x3, - "sampleIsDependedOn" => ($tmp >> 2) & 0x3, - "sampleHasRedundancy" => $tmp & 0x3); - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o sampleDependsOn -- takes one of the following four values: - * 0: the dependency of this sample is unknown; - * 1: this sample does depend on others (not an I picture); - * 2: this sample does not depend on others (I picture); - * 3: reserved - * o sampleIsDependedOn -- takes one of the following four values: - * 0: the dependency of other samples on this sample is unknown; - * 1: other samples depend on this one (not disposable); - * 2: no other sample depends on this one (disposable); - * 3: reserved - * o sampleHasRedundancy -- takes one of the following four values: - * 0: it is unknown whether there is redundant coding in this sample; - * 1: there is redundant coding in this sample; - * 2: there is no redundant coding in this sample; - * 3: reserved - * - * @return Array - */ - public function getSampleDependencyTypeTable() - { - return $this->_sampleDependencyTypeTable; - } -} diff --git a/src/ISO14496/Box/SGPD.php b/src/ISO14496/Box/SGPD.php deleted file mode 100644 index cf60fc4..0000000 --- a/src/ISO14496/Box/SGPD.php +++ /dev/null @@ -1,64 +0,0 @@ -Sample Group Description Box table gives information about the - * characteristics of sample groups. The descriptive information is any other - * information needed to define or characterize the sample group. - * - * There may be multiple instances of this box if there is more than one sample - * grouping for the samples in a track. Each instance of the Sample Group - * Description box has a type code that distinguishes different sample - * groupings. Within a track, there shall be at most one instance of this box - * with a particular grouping type. The associated Sample To Group shall - * indicate the same value for the grouping type. - * - * @todo Data parsing - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SGPD extends ISO14496_Box_Full -{ -} diff --git a/src/ISO14496/Box/SINF.php b/src/ISO14496/Box/SINF.php deleted file mode 100644 index 5651b75..0000000 --- a/src/ISO14496/Box/SINF.php +++ /dev/null @@ -1,87 +0,0 @@ -Protection Scheme Information Box contains all the information - * required both to understand the encryption transform applied and its - * parameters, and also to find other information such as the kind and location - * of the key management system. It also documents the original (unencrypted) - * format of the media. The Protection Scheme Info Box is a container Box. It is - * mandatory in a sample entry that uses a code indicating a protected stream. - * - * When used in a protected sample entry, this box must contain the original - * format box to document the original format. At least one of the following - * signaling methods must be used to identify the protection applied: - * - * a) MPEG-4 systems with IPMP: no other boxes, when IPMP descriptors in MPEG-4 - * systems streams are used; - * b) Standalone IPMP: an {@link ISO14496_Box_IMIF IPMP Info Box}, when IPMP - * descriptors outside MPEG-4 systems are used; - * c) Scheme signaling: a {@link ISO14496_Box_SCHM Scheme Type Box} and - * {@link ISO14496_Box_SCHI Scheme Information Box}, when these are used - * (either both must occur, or neither). - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SINF extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/SKIP.php b/src/ISO14496/Box/SKIP.php deleted file mode 100644 index fa8ab98..0000000 --- a/src/ISO14496/Box/SKIP.php +++ /dev/null @@ -1,73 +0,0 @@ -Free Space Box are irrelevant and may be ignored, or - * the object deleted, without affecting the presentation. (Care should be - * exercised when deleting the object, as this may invalidate the offsets used - * in the sample table, unless this object is after all the media data). - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SKIP extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/SMHD.php b/src/ISO14496/Box/SMHD.php deleted file mode 100644 index 9881452..0000000 --- a/src/ISO14496/Box/SMHD.php +++ /dev/null @@ -1,66 +0,0 @@ -Sound Media Header Box contains general presentation information, - * independent of the coding, for audio media. This header is used for all - * tracks containing audio. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SMHD extends ISO14496_Box_Full -{ - /** - * 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); - } -} diff --git a/src/ISO14496/Box/STBL.php b/src/ISO14496/Box/STBL.php deleted file mode 100644 index 8793f77..0000000 --- a/src/ISO14496/Box/STBL.php +++ /dev/null @@ -1,90 +0,0 @@ -Sample Table Box contains all the time and data indexing of the - * media samples in a track. Using the tables here, it is possible to locate - * samples in time, determine their type (e.g. I-frame or not), and determine - * their size, container, and offset into that container. - * - * If the track that contains the Sample Table Box references no data, then the - * Sample Table Box does not need to contain any sub-boxes (this is not a very - * useful media track). - * - * If the track that the Sample Table Box is contained in does reference data, - * then the following sub-boxes are required: {@link ISO14496_Box_STSD Sample - * Description}, {@link ISO14496_Box_STSZ Sample Size}, - * {@link ISO14496_Box_STSC Sample To Chunk}, and {@link ISO14496_Box_STCO Chunk - * Offset}. Further, the {@link ISO14496_Box_STSD Sample Description Box} shall - * contain at least one entry. A Sample Description Box is required because it - * contains the data reference index field which indicates which - * {@link ISO14496_Box_DREF Data Reference Box} to use to retrieve the media - * samples. Without the Sample Description, it is not possible to determine - * where the media samples are stored. The {@link ISO14496_Box_STSS Sync Sample - * Box} is optional. If the Sync Sample Box is not present, all samples are sync - * samples. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STBL extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/STCO.php b/src/ISO14496/Box/STCO.php deleted file mode 100644 index de83e94..0000000 --- a/src/ISO14496/Box/STCO.php +++ /dev/null @@ -1,122 +0,0 @@ -Chunk Offset Box table gives the index of each chunk into the - * containing file. There are two variants, permitting the use of 32-bit or - * 64-bit offsets. The latter is useful when managing very large presentations. - * At most one of these variants will occur in any single instance of a sample - * table. - * - * Offsets are file offsets, not the offset into any box within the file (e.g. - * {@link ISO14496_Box_MDAT Media Data Box}). This permits referring to media - * data in files without any box structure. It does also mean that care must be - * taken when constructing a self-contained ISO file with its metadata - * ({@link ISO14496_Box_MOOV Movie Box}) at the front, as the size of the - * {@link ISO14496_Box_MOOV Movie Box} will affect the chunk offsets to the - * media data. - * - * This box variant contains 32-bit offsets. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STCO extends ISO14496_Box_Full -{ - /** @var Array */ - private $_chunkOffsetTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_chunkOffsetTable[$i] = - Transform::fromUInt32BE(substr($data, ($i - 1) * 4, 4)); - } - - /** - * Returns an array of values. Each entry has the entry number as its index - * and a 32 bit integer that gives the offset of the start of a chunk into - * its containing media file as its value. - * - * @return Array - */ - public function getChunkOffsetTable() { return $this->_chunkOffsetTable; } - - /** - * Sets an array of chunk offsets. Each entry must have the entry number as - * its index and a 32 bit integer that gives the offset of the start of a - * chunk into its containing media file as its value. - * - * @param Array $chunkOffsetTable The chunk offset array. - */ - public function setChunkOffsetTable($chunkOffsetTable) - { - $this->_chunkOffsetTable = $chunkOffsetTable; - } - - /** - * Returns the box raw data. - * - * @return string - */ - public function __toString($data = "") - { - $data = Transform::toUInt32BE(count($this->_chunkOffsetTable)); - foreach ($this->_chunkOffsetTable as $chunkOffset) - $data .= Transform::toUInt32BE($chunkOffset); - return parent::__toString($data); - } -} diff --git a/src/ISO14496/Box/STDP.php b/src/ISO14496/Box/STDP.php deleted file mode 100644 index 5eb371c..0000000 --- a/src/ISO14496/Box/STDP.php +++ /dev/null @@ -1,84 +0,0 @@ -Degradation Priority Box contains the degradation priority of each - * sample. Specifications derived from this define the exact meaning and - * acceptable range of the priority field. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STDP extends ISO14496_Box_Full -{ - /** @var Array */ - private $_values = array(); - - /** - * 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->getOffset() + $this->getSize()) - $this->_values[] = array("priority" => $this->_reader->readUInt16BE()); - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o priority: specifies the degradation priority for each sample segment. - * - * @return Array - */ - public function getValues() - { - return $this->_values; - } -} diff --git a/src/ISO14496/Box/STSC.php b/src/ISO14496/Box/STSC.php deleted file mode 100644 index b0fc13e..0000000 --- a/src/ISO14496/Box/STSC.php +++ /dev/null @@ -1,110 +0,0 @@ -Sample To Chunk Box table can be used to find the chunk that - * contains a sample, its position, and the associated sample description. - * - * The table is compactly coded. Each entry gives the index of the first chunk - * of a run of chunks with the same characteristics. By subtracting one entry - * here from the previous one, you can compute how many chunks are in this run. - * You can convert this to a sample count by multiplying by the appropriate - * samplesPerChunk. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STSC extends ISO14496_Box_Full -{ - /** @var Array */ - private $_sampleToChunkTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_sampleToChunkTable[$i] = array - ("firstChunk" => - Transform::fromUInt32BE(substr($data, ($i - 1) * 12, 4)), - "samplesPerChunk" => - Transform::fromUInt32BE(substr($data, $i * 12 - 8, 4)), - "sampleDescriptionIndex" => - Transform::fromUInt32BE(substr($data, $i * 12 - 4, 4))); - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o firstChunk -- an integer that gives the index of the first chunk in - * this run of chunks that share the same samplesPerChunk and - * sampleDescriptionIndex; the index of the first chunk in a track has the - * value 1 (the firstChunk field in the first record of this box has the - * value 1, identifying that the first sample maps to the first chunk). - * o samplesPerChunk is an integer that gives the number of samples in each - * of these chunks. - * o sampleDescriptionIndex is an integer that gives the index of the sample - * entry that describes the samples in this chunk. The index ranges from 1 - * to the number of sample entries in the {@link ISO14496_Box_STSD Sample - * Description Box}. - * - * @return Array - */ - public function getSampleToChunkTable() - { - return $this->_sampleToChunkTable; - } -} diff --git a/src/ISO14496/Box/STSD.php b/src/ISO14496/Box/STSD.php deleted file mode 100644 index aa90e67..0000000 --- a/src/ISO14496/Box/STSD.php +++ /dev/null @@ -1,56 +0,0 @@ -Sample Description Box table gives detailed information about the - * coding type used, and any initialization information needed for that coding. - * - * @todo Data parsing - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STSD extends ISO14496_Box_Full -{ -} diff --git a/src/ISO14496/Box/STSH.php b/src/ISO14496/Box/STSH.php deleted file mode 100644 index 3990a0e..0000000 --- a/src/ISO14496/Box/STSH.php +++ /dev/null @@ -1,117 +0,0 @@ -Shadow Sync Sample Box table provides an optional set of sync - * samples that can be used when seeking or for similar purposes. In normal - * forward play they are ignored. - * - * Each entry in the Shadow Sync Table consists of a pair of sample numbers. The - * first entry (shadowedSampleNumber) indicates the number of the sample that a - * shadow sync will be defined for. This should always be a non-sync sample - * (e.g. a frame difference). The second sample number (syncSampleNumber) - * indicates the sample number of the sync sample (i.e. key frame) that can be - * used when there is a random access at, or before, the shadowedSampleNumber. - * - * The shadow sync samples are normally placed in an area of the track that is - * not presented during normal play (edited out by means of an edit list), - * though this is not a requirement. The shadow sync table can be ignored and - * the track will play (and seek) correctly if it is ignored (though perhaps not - * optimally). - * - * The Shadow Sync Sample replaces, not augments, the sample that it shadows - * (i.e. the next sample sent is shadowedSampleNumber+1). The shadow sync sample - * is treated as if it occurred at the time of the sample it shadows, having the - * duration of the sample it shadows. - * - * Hinting and transmission might become more complex if a shadow sample is used - * also as part of normal playback, or is used more than once as a shadow. In - * this case the hint track might need separate shadow syncs, all of which can - * get their media data from the one shadow sync in the media track, to allow - * for the different time-stamps etc. needed in their headers. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STSH extends ISO14496_Box_Full -{ - /** @var Array */ - private $_shadowSyncSampleTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 0; $i < $entryCount; $i++) - $this->_shadowSyncSampleTable[$i] = array - ("shadowedSampleNumber" => - Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)), - "syncSampleNumber" => - Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4))); - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o shadowedSampleNumber - gives the number of a sample for which there is - * an alternative sync sample. - * o syncSampleNumber - gives the number of the alternative sync sample. - * - * @return Array - */ - public function getShadowSyncSampleTable() - { - return $this->_shadowSyncSampleTable; - } -} diff --git a/src/ISO14496/Box/STSS.php b/src/ISO14496/Box/STSS.php deleted file mode 100644 index c5c3285..0000000 --- a/src/ISO14496/Box/STSS.php +++ /dev/null @@ -1,89 +0,0 @@ -Sync Sample Box provides a compact marking of the random access - * points within the stream. The table is arranged in strictly increasing order - * of sample number. If the sync sample box is not present, every sample is a - * random access point. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STSS extends ISO14496_Box_Full -{ - /** @var Array */ - private $_syncSampleTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_syncSampleTable[$i] = - Transform::fromUInt32BE(substr($data, ($i - 1) * 4, 4)); - } - - /** - * Returns an array of values. Each entry has the entry number as its index - * and an integer that gives the numbers of the samples that are random access - * points in the stream as its value. - * - * @return Array - */ - public function getSyncSampleTable() - { - return $this->_syncSampleTable; - } -} diff --git a/src/ISO14496/Box/STSZ.php b/src/ISO14496/Box/STSZ.php deleted file mode 100644 index 264900e..0000000 --- a/src/ISO14496/Box/STSZ.php +++ /dev/null @@ -1,110 +0,0 @@ -Sample Size Box contains the sample count and a table giving the - * size in bytes of each sample. This allows the media data itself to be - * unframed. The total number of samples in the media is always indicated in the - * sample count. - * - * There are two variants of the sample size box. The first variant has a fixed - * size 32-bit field for representing the sample sizes; it permits defining a - * constant size for all samples in a track. The second variant permits smaller - * size fields, to save space when the sizes are varying but small. One of these - * boxes must be present; the first version is preferred for maximum - * compatibility. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STSZ extends ISO14496_Box_Full -{ - /** @var integer */ - private $_sampleSize; - - /** @var Array */ - private $_sampleSizeTable = array(); - - /** - * 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->_sampleSize = $this->_reader->readUInt32BE(); - $sampleCount = $this->_reader->readUInt32BE(); - if ($this->_sampleSize == 0) { - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $sampleCount; $i++) - $this->_sampleSizeTable[$i] = - Transform::fromUInt32BE(substr($data, ($i - 1) * 4, 4)); - } - } - - /** - * Returns the default sample size. If all the samples are the same size, this - * field contains that size value. If this field is set to 0, then the samples - * have different sizes, and those sizes are stored in the sample size table. - * - * @return integer - */ - public function getSampleSize() { return $this->_sampleSize; } - - /** - * Returns an array of sample sizes specifying the size of a sample, indexed - * by its number. - * - * @return Array - */ - public function getSampleSizeTable() - { - return $this->_sampleSizeTable; - } -} diff --git a/src/ISO14496/Box/STTS.php b/src/ISO14496/Box/STTS.php deleted file mode 100644 index 446abd4..0000000 --- a/src/ISO14496/Box/STTS.php +++ /dev/null @@ -1,110 +0,0 @@ -Decoding Time to Sample Box contains a compact version of a table - * that allows indexing from decoding time to sample number. Other tables give - * sample sizes and pointers, from the sample number. Each entry in the table - * gives the number of consecutive samples with the same time delta, and the - * delta of those samples. By adding the deltas a complete time-to-sample map - * may be built. - * - * The Decoding Time to Sample Box contains decode time delta's: DT(n+1) = DT(n) - * + STTS(n) where STTS(n) is the (uncompressed) table entry for sample n. - * - * The sample entries are ordered by decoding time stamps; therefore the deltas - * are all non-negative. - * - * The DT axis has a zero origin; DT(i) = SUM(for j=0 to i-1 of delta(j)), and - * the sum of all deltas gives the length of the media in the track (not mapped - * to the overall timescale, and not considering any edit list). - * - * The {@link ISO14496_Box_ELST Edit List Box} provides the initial CT value if - * it is non-empty (non-zero). - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STTS extends ISO14496_Box_Full -{ - /** @var Array */ - private $_timeToSampleTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $entryCount; $i++) - $this->_timeToSampleTable[$i] = array - ("sampleCount" => - Transform::fromUInt32BE(substr($data, ($i - 1) * 8, 4)), - "sampleDelta" => - Transform::fromUInt32BE(substr($data, $i * 8 - 4, 4))); - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o sampleCount -- an integer that counts the number of consecutive samples - * that have the given duration. - * o sampleDelta -- an integer that gives the delta of these samples in the - * time-scale of the media. - * - * @return Array - */ - public function getTimeToSampleTable() - { - return $this->_timeToSampleTable; - } -} diff --git a/src/ISO14496/Box/STZ2.php b/src/ISO14496/Box/STZ2.php deleted file mode 100644 index fdcdc1b..0000000 --- a/src/ISO14496/Box/STZ2.php +++ /dev/null @@ -1,109 +0,0 @@ -Sample Size Box contains the sample count and a table giving the - * size in bytes of each sample. This allows the media data itself to be - * unframed. The total number of samples in the media is always indicated in the - * sample count. - * - * There are two variants of the sample size box. This variant permits smaller - * than 32-bit size fields, to save space when the sizes are varying but small. - * One of the boxes must be present; the {@link ISO14496_Box_STSZ another - * variant} is preferred for maximum compatibility. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_STZ2 extends ISO14496_Box_Full -{ - /** @var Array */ - private $_sampleSizeTable = array(); - - /** - * 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->_reader->skip(3); - $fieldSize = $this->_reader->readInt8(); - $sampleCount = $this->_reader->readUInt32BE(); - $data = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - for ($i = 1; $i <= $sampleCount; $i++) { - switch ($fieldSize) { - case 4: - $this->_sampleSizeTable[$i] = - (($tmp = Transform::fromInt8($data[$i - 1])) >> 4) & 0xf; - if ($i + 1 < $sampleCount) - $this->_sampleSizeTable[$i++] = $tmp & 0xf; - break; - case 8: - $this->_sampleSizeTable[$i] = Transform::fromInt8($data[$i - 1]); - break; - case 16: - $this->_sampleSizeTable[$i] = - Transform::fromUInt16BE(substr($data, ($i - 1) * 2, 2)); - break; - } - } - } - - /** - * Returns an array of sample sizes specifying the size of a sample, indexed - * by its number. - * - * @return Array - */ - public function getSampleSizeTable() - { - return $this->_sampleSizeTable; - } -} diff --git a/src/ISO14496/Box/SUBS.php b/src/ISO14496/Box/SUBS.php deleted file mode 100644 index eeda868..0000000 --- a/src/ISO14496/Box/SUBS.php +++ /dev/null @@ -1,138 +0,0 @@ -Sub-Sample Information Box is designed to contain sub-sample - * information. - * - * A sub-sample is a contiguous range of bytes of a sample. The specific - * definition of a sub-sample shall be supplied for a given coding system (e.g. - * for ISO/IEC 14496-10, Advanced Video Coding). In the absence of such a - * specific definition, this box shall not be applied to samples using that - * coding system. - * - * If subsample_count is 0 for any entry, then those samples have no subsample - * information and no array follows. The table is sparsely coded; the table - * identifies which samples have sub-sample structure by recording the - * difference in sample-number between each entry. The first entry in the table - * records the sample number of the first sample having sub-sample information. - * - * Note: It is possible to combine subsamplePriority and discardable such that - * when subsamplePriority is smaller than a certain value, discardable is set to - * 1. However, since different systems may use different scales of priority - * values, to separate them is safe to have a clean solution for discardable - * sub-samples. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_SUBS extends ISO14496_Box_Full -{ - /** @var Array */ - private $_subSampleTable = array(); - - /** - * 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); - - $entryCount = $this->_reader->readUInt32BE(); - for ($i = 0; $i < $entryCount; $i++) { - $entry = array(); - $entry["sampleDelta"] = $this->_reader->readUInt32BE(); - $entry["subsamples"] = array(); - if (($subsampleCount = $this->_reader->readUInt16BE()) > 0) { - for ($j = 0; $j < $subsampleCount; $j++) { - $subsample = array(); - if ($this->getVersion() == 1) - $subsample["subsampleSize"] = $this->_reader->readUInt32BE(); - else - $subsample["subsampleSize"] = $this->_reader->readUInt16BE(); - $subsample["subsamplePriority"] = $this->_reader->readInt8(); - $subsample["discardable"] = $this->_reader->readInt8(); - $this->_reader->skip(4); - $entry["subsamples"][] = $subsample; - } - $this->_subSampleTable[] = $entry; - } - } - } - - /** - * Returns an array of values. Each entry is an array containing the following - * keys. - * o sampleDelta -- an integer that specifies the sample number of the - * sample having sub-sample structure. It is coded as the difference - * between the desired sample number, and the sample number indicated in - * the previous entry. If the current entry is the first entry, the value - * indicates the sample number of the first sample having sub-sample - * information, that is, the value is the difference between the sample - * number and zero (0). - * o subsamples -- an array of subsample arrays, each containing the - * following keys. - * o subsampleSize -- an integer that specifies the size, in bytes, of - * the current sub-sample. - * o subsamplePriority -- an integer specifying the degradation priority - * for each sub-sample. Higher values of subsamplePriority, indicate - * sub-samples which are important to, and have a greater impact on, - * the decoded quality. - * o discardable -- equal to 0 means that the sub-sample is required to - * decode the current sample, while equal to 1 means the sub-sample is - * not required to decode the current sample but may be used for - * enhancements, e.g., the sub-sample consists of supplemental - * enhancement information (SEI) messages. - * - * @return Array - */ - public function getSubSampleTable() - { - return $this->_subSampleTable; - } -} diff --git a/src/ISO14496/Box/TFHD.php b/src/ISO14496/Box/TFHD.php deleted file mode 100644 index 3126308..0000000 --- a/src/ISO14496/Box/TFHD.php +++ /dev/null @@ -1,194 +0,0 @@ -Track Fragment Header Box to - * each track; and a track fragment can add zero or more contiguous runs of - * samples. The track fragment header sets up information and defaults used for - * those runs of samples. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @author Anders Ödlund - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TFHD extends ISO14496_Box_Full -{ - /** @var integer */ - private $_trackId; - - /** @var integer */ - private $_baseDataOffset; - - /** @var integer */ - private $_sampleDescriptionIndex; - - /** @var integer */ - private $_defaultSampleDuration; - - /** @var integer */ - private $_defaultSampleSize; - - /** @var integer */ - private $_defaultSampleFlags; - - /** - * Indicates indicates the presence of the baseDataOffset field. This provides - * an explicit anchor for the data offsets in each track run (see below). If - * not provided, the base-dataoffset for the first track in the movie fragment - * is the position of the first byte of the enclosing Movie Fragment Box, and - * for second and subsequent track fragments, the default is the end of the - * data defined by the preceding fragment. Fragments inheriting their offset - * in this way must all use the same data-reference (i.e., the data for these - * tracks must be in the same file). - */ - const BASE_DATA_OFFSET = 0x1; - - /** - * Indicates the presence of the sampleDescriptionIndex field, which - * over-rides, in this fragment, the default set up in the - * {@link ISO14496_Box_TREX Track Extends Box}. - */ - const SAMPLE_DESCRIPTION_INDEX = 0x2; - - /** Indicates the precense of the defaultSampleDuration field. */ - const DEFAULT_SAMPLE_DURATION = 0x8; - - /** Indicates the precense of the defaultSampleSize field. */ - const DEFAULT_SAMPLE_SIZE = 0x10; - - /** Indicates the precense of the defaultSampleFlags field. */ - const DEFAULT_SAMPLE_FLAGS = 0x20; - - /** - * Indicates that the duration provided in either defaultSampleDuration, or by - * the defaultDuration in the {@link ISO14496_Box_TREX Track Extends Box}, is - * empty, i.e. that there are no samples for this time interval. - */ - const DURATION_IS_EMPTY = 0x10000; - - /** - * Constructs the class with given parameters and reads box related data from - * the ISO Base Media file. - * - * @param Reader $reader The reader object. - * @todo The sample flags could be parsed further - */ - public function __construct($reader, &$options = array()) - { - parent::__construct($reader, $options); - - $this->_trackId = $this->_reader->readUInt32BE(); - if ($this->hasFlag(self::BASE_DATA_OFFSET)) - $this->_baseDataOffset = $this->_reader->readInt64BE(); - if ($this->hasFlag(self::SAMPLE_DESCRIPTION_INDEX)) - $this->_sampleDescriptionIndex = $this->_reader->readUInt32BE(); - if ($this->hasFlag(self::DEFAULT_SAMPLE_DURATION)) - $this->_defaultSampleDuration = $this->_reader->readUInt32BE(); - if ($this->hasFlag(self::DEFAULT_SAMPLE_SIZE)) - $this->_defaultSampleSize = $this->_reader->readUInt32BE(); - if ($this->hasFlag(self::DEFAULT_SAMPLE_FLAGS)) - $this->_defaultSampleFlags = $this->_reader->readUInt32BE(); - } - - /** - * Returns the track identifier. - * - * @return integer - */ - public function getTrackId() - { - return $this->_trackId; - } - - /** - * Returns the base offset to use when calculating data offsets. - * - * @return integer - */ - public function getBaseDataOffset() - { - return $this->_baseDataOffset; - } - - /** - * Returns the sample description index. - * - * @return integer - */ - public function getSampleDescriptionIndex() - { - return $this->_sampleDescriptionIndex; - } - - /** - * Returns the default sample duration. - * - * @return integer - */ - public function getDefaultSampleDuration() - { - return $this->_defaultSampleDuration; - } - - /** - * Returns the default sample size. - * - * @return integer - */ - public function getDefaultSampleSize() - { - return $this->_defaultSampleSize; - } - - /** - * Returns the default sample flags. - * - * @return integer - */ - public function getDefaultSampleFlags() - { - return $this->_defaultSampleFlags; - } -} diff --git a/src/ISO14496/Box/TFRA.php b/src/ISO14496/Box/TFRA.php deleted file mode 100644 index 177f6df..0000000 --- a/src/ISO14496/Box/TFRA.php +++ /dev/null @@ -1,142 +0,0 @@ -Track Fragment Random Access Box does not mean that - * all the samples are sync samples. Random access information in the - * {@link ISO14496_Box_TRUN Track Fragment Run Box}, - * {@link ISO14496_Box_TRAF Track Fragment Box} and - * {@link ISO14496_Box_TREX Track Fragment Box} shall be set appropriately - * regardless of the presence of this box. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TFRA extends ISO14496_Box_Full -{ - /** @var integer */ - private $_trackId; - - /** @var Array */ - private $_degradationPriorityTable = array(); - - /** - * 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->_trackId = $this->_reader->readUInt32BE(); - - $trafNumberSize = (($tmp = $this->_reader->readUInt32BE()) >> 4) & 0x3; - $trunNumberSize = ($tmp >> 2) & 0x3; - $sampleNumberSize = $tmp & 0x3; - $entryCount = $this->_reader->readUInt32BE(); - for ($i = 1; $i <= $entryCount; $i++) { - $entry = array(); - if ($this->getVersion() == 1) { - $entry["time"] = $this->_reader->readInt64BE(); - $entry["moofOffset"] = $this->_reader->readInt64BE(); - } else { - $entry["time"] = $this->_reader->readUInt32BE(); - $entry["moofOffset"] = $this->_reader->readUInt32BE(); - } - $entry["trafNumber"] = - ($trafNumberSize == 4 ? $this->_reader->readUInt32BE() : - ($trafNumberSize == 8 ? $this->_reader->readInt64BE() : 0)); - $entry["trunNumber"] = - ($trunNumberSize == 4 ? $this->_reader->readUInt32BE() : - ($trunNumberSize == 8 ? $this->_reader->readInt64BE() : 0)); - $entry["sampleNumber"] = - ($sampleNumberSize == 4 ? $this->_reader->readUInt32BE() : - ($sampleNumberSize == 8 ? $this->_reader->readInt64BE() : 0)); - $this->_degradationPriorityTable[$i] = $entry; - } - } - - /** - * Returns the track identifier. - * - * @return integer - */ - public function getTrackId() { return $this->_trackId; } - - /** - * Returns an array of entries. Each entry is an array containing the - * following keys. - * o time -- a 32 or 64 bits integer that indicates the presentation time of - * the random access sample in units defined in the - * {@link ISO14496_Box_MDHD Media Header Box} of the associated track. - * o moofOffset -- a 32 or 64 bits integer that gives the offset of the - * {@link ISO14496_Box_MOOF Movie Fragment Box} used in this entry. Offset - * is the byte-offset between the beginning of the file and the beginning - * of the Movie Fragment Box. - * o trafNumber -- indicates the {@link ISO14496_Box_TRAF Track Fragment - * Box} number that contains the random accessible sample. The number - * ranges from 1 (the first traf is numbered 1) in each Track Fragment - * Box. - * o trunNumber -- indicates the {@link ISO14496_Box_TRUN Track Fragment Run - * Box} number that contains the random accessible sample. The number - * ranges from 1 in each Track Fragment Run Box. - * o sampleNumber -- indicates the sample number that contains the random - * accessible sample. The number ranges from 1 in each Track Fragment Run - * Box. - * - * @return Array - */ - public function getDegradationPriorityTable() - { - return $this->_degradationPriorityTable; - } -} diff --git a/src/ISO14496/Box/TKHD.php b/src/ISO14496/Box/TKHD.php deleted file mode 100644 index f27e39d..0000000 --- a/src/ISO14496/Box/TKHD.php +++ /dev/null @@ -1,177 +0,0 @@ -Track Header Box specifies the characteristics of a single track. - * Exactly one Track Header Box is contained in a track. - * - * In the absence of an edit list, the presentation of a track starts at the - * beginning of the overall presentation. An empty edit is used to offset the - * start time of a track. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TKHD extends ISO14496_Box_Full -{ - /** @var integer */ - private $_creationTime; - - /** @var integer */ - private $_modificationTime; - - /** @var integer */ - private $_trackId; - - /** @var integer */ - private $_duration; - - /** @var integer */ - private $_width; - - /** @var integer */ - private $_height; - - /** - * Indicates that the track is enabled. A disabled track is treated as if it - * were not present. - */ - const TRACK_ENABLED = 1; - - /** Indicates that the track is used in the presentation. */ - const TRACK_IN_MOVIE = 2; - - /** Indicates that the track is used when previewing the presentation. */ - const TRACK_IN_PREVIEW = 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, $options); - - if ($this->getVersion() == 1) { - $this->_creationTime = $this->_reader->readInt64BE(); - $this->_modificationTime = $this->_reader->readInt64BE(); - $this->_trackId = $this->_reader->readUInt32BE(); - $this->_reader->skip(4); - $this->_duration = $this->_reader->readInt64BE(); - } else { - $this->_creationTime = $this->_reader->readUInt32BE(); - $this->_modificationTime = $this->_reader->readUInt32BE(); - $this->_trackId = $this->_reader->readUInt32BE(); - $this->_reader->skip(4); - $this->_duration = $this->_reader->readUInt32BE(); - } - $this->_reader->skip(52); - $this->_width = - ((($tmp = $this->_reader->readUInt32BE()) >> 16) & 0xffff) + - ($tmp & 0xffff) / 10; - $this->_height = - ((($tmp = $this->_reader->readUInt32BE()) >> 16) & 0xffff) + - ($tmp & 0xffff) / 10; - } - - /** - * Returns the creation time of this track in seconds since midnight, Jan. 1, - * 1904, in UTC time. - * - * @return integer - */ - public function getCreationTime() { return $this->_creationTime; } - - /** - * Returns the most recent time the track was modified in seconds since - * midnight, Jan. 1, 1904, in UTC time. - * - * @return integer - */ - public function getModificationTime() { return $this->_modificationTime; } - - /** - * Returns a number that uniquely identifies this track over the entire - * life-time of this presentation. Track IDs are never re-used and cannot be - * zero. - * - * @return integer - */ - public function getTrackId() { return $this->_trackId; } - - /** - * Returns the duration of this track (in the timescale indicated in the - * {@link MVHD Movie Header Box}). The value of this field is equal to the sum - * of the durations of all of the track's edits. If there is no edit list, - * then the duration is the sum of the sample durations, converted into the - * timescale in the {@link MVHD Movie Header Box}. If the duration of this - * track cannot be determined then duration is set to all 32-bit maxint. - * - * @return integer - */ - public function getDuration() { return $this->_duration; } - - /** - * Returns the track's visual presentation width. This needs not be the same - * as the pixel width of the images; all images in the sequence are scaled to - * this width, before any overall transformation of the track represented by - * the matrix. The pixel width of the images is the default value. - * - * @return integer - */ - public function getWidth() { return $this->_rate; } - - /** - * Returns the track's visual presentation height. This needs not be the same - * as the pixel height of the images; all images in the sequence are scaled to - * this height, before any overall transformation of the track represented by - * the matrix. The pixel height of the images is the default value. - * - * @return integer - */ - public function getHeight() { return $this->_volume; } -} diff --git a/src/ISO14496/Box/TRAF.php b/src/ISO14496/Box/TRAF.php deleted file mode 100644 index 69a7bb7..0000000 --- a/src/ISO14496/Box/TRAF.php +++ /dev/null @@ -1,77 +0,0 @@ -Track Fragment Box there is a set of track fragments, zero - * or more per track. The track fragments in turn contain zero or more track - * runs, each of which document a contiguous run of samples for that track. - * - * Within these structures, many fields are optional and can be defaulted. It is - * possible to add empty time to a track using these structures, as well as - * adding samples. Empty inserts can be used in audio tracks doing silence - * suppression, for example. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TRAF extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/TRAK.php b/src/ISO14496/Box/TRAK.php deleted file mode 100644 index 8d6110f..0000000 --- a/src/ISO14496/Box/TRAK.php +++ /dev/null @@ -1,83 +0,0 @@ -Track Box is a container box for a single track of a presentation. - * A presentation consists of one or more tracks. Each track is independent of - * the other tracks in the presentation and carries its own temporal and spatial - * information. Each track will contain its associated {@link ISO14496_Box_MDIA - * Media Box}. - * - * Tracks are used for two purposes: - * (a) to contain media data (media tracks) and - * (b) to contain packetization information for streaming protocols - * (hint tracks). - * There shall be at least one media track within an ISO file, and all the media - * tracks that contributed to the hint tracks shall remain in the file, even if - * the media data within them is not referenced by the hint tracks; after - * deleting all hint tracks, the entire un-hinted presentation shall remain. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TRAK extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/TREF.php b/src/ISO14496/Box/TREF.php deleted file mode 100644 index 33e7f27..0000000 --- a/src/ISO14496/Box/TREF.php +++ /dev/null @@ -1,81 +0,0 @@ -Track Reference Box provides a reference from the containing track - * to another track in the presentation. These references are typed. A {@link - * ISO14496_Box_HINT hint} reference links from the containing hint track to the - * media data that it hints. A content description reference {@link - * ISO14496_Box_CDSC cdsc} links a descriptive or metadata track to the content - * which it describes. - * - * Exactly one Track Reference Box can be contained within the {@link - * ISO14496_Box_TRAK Track Box}. - * - * If this box is not present, the track is not referencing any other track in - * any way. The reference array is sized to fill the reference type box. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TREF extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/TREX.php b/src/ISO14496/Box/TREX.php deleted file mode 100644 index b0e4361..0000000 --- a/src/ISO14496/Box/TREX.php +++ /dev/null @@ -1,138 +0,0 @@ -Track Extends Box sets up default values used by the movie - * fragments. By setting defaults in this way, space and complexity can be saved - * in each {@link ISO14496_Box_TRAF Track Fragment Box}. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TREX extends ISO14496_Box_Full -{ - /** @var integer */ - private $_trackId; - - /** @var integer */ - private $_defaultSampleDescriptionIndex; - - /** @var integer */ - private $_defaultSampleDuration; - - /** @var integer */ - private $_defaultSampleSize; - - /** @var integer */ - private $_defaultSampleFlags; - - /** - * Constructs the class with given parameters and reads box related data from - * the ISO Base Media file. - * - * @param Reader $reader The reader object. - * @todo The sample flags could be parsed further - */ - public function __construct($reader, &$options = array()) - { - parent::__construct($reader, $options); - - $this->_trackId = $this->_reader->readUInt32BE(); - $this->_defaultSampleDescriptionIndex = $this->_reader->readUInt32BE(); - $this->_defaultSampleDuration = $this->_reader->readUInt32BE(); - $this->_defaultSampleSize = $this->_reader->readUInt32BE(); - $this->_defaultSampleFlags = $this->_reader->readUInt32BE(); - } - - /** - * Returns the default track identifier. - * - * @return integer - */ - public function getTrackId() - { - return $this->_trackId; - } - - /** - * Returns the default sample description index. - * - * @return integer - */ - public function getDefaultSampleDescriptionIndex() - { - return $this->_defaultSampleDescriptionIndex; - } - - /** - * Returns the default sample duration. - * - * @return integer - */ - public function getDefaultSampleDuration() - { - return $this->_defaultSampleDuration; - } - - /** - * Returns the default sample size. - * - * @return integer - */ - public function getDefaultSampleSize() - { - return $this->_defaultSampleSize; - } - - /** - * Returns the default sample flags. - * - * @return integer - */ - public function getDefaultSampleFlags() - { - return $this->_defaultSampleFlags; - } -} diff --git a/src/ISO14496/Box/TRUN.php b/src/ISO14496/Box/TRUN.php deleted file mode 100644 index ced6c9c..0000000 --- a/src/ISO14496/Box/TRUN.php +++ /dev/null @@ -1,150 +0,0 @@ -Track Fragment Run Boxes. If the durationIsEmpty flag is set, - * there are no track runs. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @author Anders Ödlund - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_TRUN extends ISO14496_Box_Full -{ - /** @var integer */ - private $_dataOffset; - - /** @var Array */ - private $_samples = array(); - - /** Indicates the precense of the dataOffset field. */ - const DATA_OFFSET = 0x1; - - /** - * Indicates the precense of the firstSampleFlags field; this over-rides the - * default flags for the first sample only. This makes it possible to record - * a group of frames where the first is a key and the rest are difference - * frames, without supplying explicit flags for every sample. If this flag and - * field are used, sampleFlags field shall not be present. - */ - const FIRST_SAMPLE_FLAGS = 0x4; - - /** - * Indicates that each sample has its own duration, otherwise the default is - * used. - */ - const SAMPLE_DURATION = 0x100; - - /** - * Indicates that each sample has its own size, otherwise the default is used. - */ - const SAMPLE_SIZE = 0x200; - - /** - * Indicates that each sample has its own flags, otherwise the default is - * used. - */ - const SAMPLE_FLAGS = 0x400; - - /** - * Indicates that each sample has a composition time offset (e.g. as used for - * I/P/B video in MPEG). - */ - const SAMPLE_COMPOSITION_TIME_OFFSETS = 0x800; - - /** - * 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); - - $flags = $this->_flags; - $sampleCount = $this->_reader->readUInt32BE(); - - if ($this->hasFlag(self::DATA_OFFSET)) - $this->_dataOffset = $this->_reader->readInt32BE(); - if ($this->hasFlag(self::FIRST_SAMPLE_FLAGS)) - $this->_flags = $this->_reader->readUInt32BE(); - - for ($i = 0; $i < $sampleCount; $i++) { - $sample = array(); - if ($this->hasFlag(self::SAMPLE_DURATION)) - $sample["duration"] = $this->_reader->readUInt32BE(); - if ($this->hasFlag(self::SAMPLE_SIZE)) - $sample["size"] = $this->_reader->readUInt32BE(); - if ($this->hasFlag(self::SAMPLE_FLAGS)) - $sample["flags"] = $this->_reader->readUInt32BE(); - if ($this->hasFlag(self::SAMPLE_COMPOSITION_TIME_OFFSETS)) - $sample["compositionTimeOffset"] = $this->_reader->readUInt32BE(); - $this->_samples[] = $sample; - $this->_flags = $flags; - } - } - - /** - * Returns the data offset. - * - * @return integer - */ - public function getDataOffset() - { - return $this->_dataOffset; - } - - /** - * Returns the array of samples. - * - * @return Array - */ - public function getSamples() - { - return $this->_samples; - } -} diff --git a/src/ISO14496/Box/UDTA.php b/src/ISO14496/Box/UDTA.php deleted file mode 100644 index e38b18d..0000000 --- a/src/ISO14496/Box/UDTA.php +++ /dev/null @@ -1,75 +0,0 @@ -User Data Box contains objects that declare user information about - * the containing box and its data (presentation or track). - * - * The User Data Box is a container box for informative user-data. This user - * data is formatted as a set of boxes with more specific box types, which - * declare more precisely their content. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_UDTA extends ISO14496_Box -{ - /** - * 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(); - } -} diff --git a/src/ISO14496/Box/URL.php b/src/ISO14496/Box/URL.php deleted file mode 100644 index 2c210d8..0000000 --- a/src/ISO14496/Box/URL.php +++ /dev/null @@ -1,83 +0,0 @@ - - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_URL extends ISO14496_Box_Full -{ - /** @var string */ - private $_location; - - /** - * Indicates that the media data is in the same file as the Movie Box - * containing this data reference. - */ - const SELFCONTAINED = 1; - - /** - * 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->_location = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - } - - /** - * Returns the location. - * - * @return string - */ - public function getLocation() { return $this->_location; } -} diff --git a/src/ISO14496/Box/URN.php b/src/ISO14496/Box/URN.php deleted file mode 100644 index 6d5ce99..0000000 --- a/src/ISO14496/Box/URN.php +++ /dev/null @@ -1,94 +0,0 @@ - - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_URN extends ISO14496_Box_Full -{ - /** @var string */ - private $_name; - - /** @var string */ - private $_location; - - /** - * Indicates that the media data is in the same file as the Movie Box - * containing this data reference. - */ - const SELFCONTAINED = 1; - - /** - * 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, $options); - - list ($this->_name, $this->_location) = preg_split - ("/\\x00/", $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset())); - } - - /** - * Returns the name. - * - * @return string - */ - public function getName() { return $this->_name; } - - /** - * Returns the location. - * - * @return string - */ - public function getLocation() { return $this->_location; } -} diff --git a/src/ISO14496/Box/VMHD.php b/src/ISO14496/Box/VMHD.php deleted file mode 100644 index a460161..0000000 --- a/src/ISO14496/Box/VMHD.php +++ /dev/null @@ -1,65 +0,0 @@ -Video Media Header Box contains general presentation information, - * independent of the coding, for video media. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_VMHD extends ISO14496_Box_Full -{ - /** - * 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); - } -} diff --git a/src/ISO14496/Box/XML.php b/src/ISO14496/Box/XML.php deleted file mode 100644 index 5d5aa4f..0000000 --- a/src/ISO14496/Box/XML.php +++ /dev/null @@ -1,87 +0,0 @@ -XML Box forms may be used. - * The {@link ISO14496_Box_BXML Binary XML Box} may only be used when there is a - * single well-defined binarization of the XML for that defined format as - * identified by the handler. - * - * Within an XML box the data is in UTF-8 format unless the data starts with a - * byte-order-mark (BOM), which indicates that the data is in UTF-16 format. - * - * @package php-reader - * @subpackage ISO 14496 - * @author Sven Vollbehr - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -final class ISO14496_Box_XML extends ISO14496_Box_Full -{ - /** @var string */ - private $_xml; - - /** - * 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->_xml = $this->_reader->read - ($this->getOffset() + $this->getSize() - $this->_reader->getOffset()); - } - - /** - * Returns the XML data. - * - * @return string - */ - public function getXml() - { - return $this->_xml; - } -} diff --git a/src/ISO14496/Exception.php b/src/ISO14496/Exception.php deleted file mode 100644 index 7e6970d..0000000 --- a/src/ISO14496/Exception.php +++ /dev/null @@ -1,51 +0,0 @@ - - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev$ - */ -class ISO14496_Exception extends Exception -{ -}