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Add support for ASF

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git-svn-id: http://php-reader.googlecode.com/svn/trunk@4 51a70ab9-7547-0410-9469-37e369ee0574
This commit is contained in:
svollbehr
2008-03-03 11:48:28 +00:00
parent 16dd117216
commit 906e2dc59d
6 changed files with 817 additions and 0 deletions
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134
src/ASF/ContentDescriptionObject.php Normal file
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<?php
/**
* $Id$
*
*
* Copyright (C) 2006, 2007 The Bearpaw Project Work Group. All Rights Reserved.
* Copyright (C) 2007, 2008 BEHR Software Systems. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - 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 BEHR Software Systems 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
*/
/**#@+ @ignore */
require_once("Object.php");
/**#@-*/
/**
* The ASF_Content_Description_Object object implementation. This object
* contains five core attribute fields giving more information about the file:
* title, author, description, copyright and rating.
*
* @package php-reader
* @author Sven Vollbehr <sven.vollbehr@behrss.eu>
* @copyright 2006, 2007 The Bearpaw Project Work Group
* @copyright 2007, 2008 BEHR Software Systems
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version $Rev$
*/
final class ASF_ContentDescriptionObject extends ASF_Object
{
/**
* @var string The title field.
*/
private $_title;
/**
* @var string The author field.
*/
private $_author;
/**
* @var string The copyright field.
*/
private $_copyright;
/**
* @var string The description field.
*/
private $_description;
/**
* @var string The rating field.
*/
private $_rating;
/**
* Default constructor. Initiates the class with given parameters and reads
* object related data from the ASF file.
*/
public function __construct($reader, $id, $size)
{
parent::__construct($reader, $id, $size);
$titleLen = $this->_reader->getUInt16LE();
$authorLen = $this->_reader->getUInt16LE();
$copyrightLen = $this->_reader->getUInt16LE();
$descriptionLen = $this->_reader->getUInt16LE();
$ratingLen = $this->_reader->getUInt16LE();
$this->_title = $this->_reader->getString16LE($titleLen);
$this->_author = $this->_reader->getString16LE($authorLen);
$this->_copyright = $this->_reader->getString16LE($copyrightLen);
$this->_description = $this->_reader->getString16LE($descriptionLen);
$this->_rating = $this->_reader->getString16LE($ratingLen);
}
/**
* Returns the title field.
*
* @return string Returns the title field.
*/
public function getTitle() { return $this->_title; }
/**
* Returns the author field.
*
* @return string Returns the author field.
*/
public function getAuthor() { return $this->_author; }
/**
* Returns the copyright field.
*
* @return string Returns the copyright field.
*/
public function getCopyright() { return $this->_copyright; }
/**
* Returns the description field.
*
* @return string Returns the description field.
*/
public function getDescription() { return $this->_description; }
/**
* Returns the rating field.
*
* @return string Returns the rating field.
*/
public function getRating() { return $this->_rating; }
}

107
src/ASF/ExtendedContentDescriptionObject.php Normal file
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<?php
/**
* $Id$
*
*
* Copyright (C) 2006, 2007 The Bearpaw Project Work Group. All Rights Reserved.
* Copyright (C) 2007, 2008 BEHR Software Systems. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - 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 BEHR Software Systems 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
*/
/**#@+ @ignore */
require_once("Object.php");
/**#@-*/
/**
* The ASF_Extended_Content_Description_Object object implementation. This
* object contains unlimited number of attribute fields giving more information
* about the file.
*
* @package php-reader
* @author Sven Vollbehr <sven.vollbehr@behrss.eu>
* @copyright 2006, 2007 The Bearpaw Project Work Group
* @copyright 2007, 2008 BEHR Software Systems
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version $Rev$
*/
final class ASF_ExtendedContentDescriptionObject extends ASF_Object
{
/**
* @var Array An associate array of descriptors and their values.
*/
private $_contentDescriptors = array();
/**
* Initiates the object class with given parameters and reads and processes
* the object information from the ASF file.
*/
public function __construct($reader, $id, $size)
{
parent::__construct($reader, $id, $size);
$contentDescriptorsCount = $this->_reader->getUInt16LE();
for ($i = 0; $i < $contentDescriptorsCount; $i++) {
$nameLen = $this->_reader->getUInt16LE();
$name = $this->_reader->getString16LE($nameLen);
$valueDataType = $this->_reader->getUInt16LE();
$valueLen = $this->_reader->getUInt16LE();
switch ($valueDataType) {
case 0:
case 1: // string
$this->_contentDescriptors[$name] =
$this->_reader->getString16LE($valueLen);
break;
case 2: // bool
case 3: // 32-bit integer
$this->_contentDescriptors[$name] = $this->_reader->getUInt32LE();
break;
case 4: // 64-bit integer
$this->_contentDescriptors[$name] = $this->_reader->getInt64LE();
break;
case 5: // 16-bit integer
$this->_contentDescriptors[$name] = $this->_reader->getUInt16LE();
break;
default:
}
}
}
/**
* Returns the value of the specified descriptor or <var>false</var> if there
* is no such descriptor defined.
*
* @param string $name The name of the descriptor (ie the name of the field).
* @return string Returns the value of a descriptor.
*/
public function getDescriptor($name)
{
if (isset($this->_contentDescriptors[$name]))
return $this->_contentDescriptors[$name];
return false;
}
}

231
src/ASF/FilePropertiesObject.php Normal file
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<?php
/**
* $Id$
*
*
* Copyright (C) 2006, 2007 The Bearpaw Project Work Group. All Rights Reserved.
* Copyright (C) 2007, 2008 BEHR Software Systems. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - 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 BEHR Software Systems 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
*/
/**#@+ @ignore */
require_once("Object.php");
/**#@-*/
/**
* The ASF_File_Properties_Object object implementation. This object contains
* various information about the ASF file.
*
* @package php-reader
* @author Sven Vollbehr <sven.vollbehr@behrss.eu>
* @copyright 2006, 2007 The Bearpaw Project Work Group
* @copyright 2007, 2008 BEHR Software Systems
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version $Rev$
*/
final class ASF_FilePropertiesObject extends ASF_Object
{
/**
* @var string The file id field.
*/
private $_fileId;
/**
* @var string The file size field.
*/
private $_fileSize;
/**
* @var string The creation date field.
*/
private $_creationDate;
/**
* @var string The data packets count field.
*/
private $_dataPacketsCount;
/**
* @var string The play duration field.
*/
private $_playDuration;
/**
* @var string The send duration field.
*/
private $_sendDuration;
/**
* @var string The preroll field.
*/
private $_preroll;
/**
* @var string The flags field.
*/
private $_flags;
/**
* @var string The minimum data packet size field.
*/
private $_minimumDataPacketSize;
/**
* @var string The maximum data packet size field.
*/
private $_maximumDataPacketSize;
/**
* @var string The maximum bitrate field.
*/
private $_maximumBitrate;
/**
* Initiates the object class with given parameters and reads and processes
* the object information from the ASF file.
*/
public function __construct($reader, $id, $size)
{
parent::__construct($reader, $id, $size);
$this->_fileId = $this->_reader->getGUID();
$this->_fileSize = $this->_reader->getInt64LE();
$this->_creationDate = $this->_reader->getInt64LE();
$this->_dataPacketsCount = $this->_reader->getInt64LE();
$seconds = floor($this->_reader->getInt64LE() / 10000000);
$minutes = floor($seconds / 60);
$hours = floor($minutes / 60);
$this->_playDuration =
($minutes > 0 ?
($hours > 0 ? $hours . ":" .
str_pad($minutes % 60, 2, "0", STR_PAD_LEFT) : $minutes % 60) . ":" .
str_pad($seconds % 60, 2, "0", STR_PAD_LEFT) : $seconds % 60);
$seconds = floor($this->_reader->getInt64LE() / 10000000);
$minutes = floor($seconds / 60);
$hours = floor($minutes / 60);
$this->_sendDuration =
($minutes > 0 ?
($hours > 0 ? $hours . ":" .
str_pad($minutes % 60, 2, "0", STR_PAD_LEFT) : $minutes % 60) . ":" .
str_pad($seconds % 60, 2, "0", STR_PAD_LEFT) : $seconds % 60);
$this->_preroll = $this->_reader->getInt64LE();
$this->_flags = $this->_reader->getUInt32LE();
$this->_minimumDataPacketSize = $this->_reader->getUInt32LE();
$this->_maximumDataPacketSize = $this->_reader->getUInt32LE();
$this->_maximumBitrate = $this->_reader->getUInt32LE();
}
/**
* Returns the file id field.
*
* @return integer Returns the file id field.
*/
public function getFileId() { return $this->_fileId; }
/**
* Returns the file size field.
*
* @return integer Returns the file size field.
*/
public function getFileSize() { return $this->_fileSize; }
/**
* Returns the creation date field.
*
* @return integer Returns the creation date field.
*/
public function getCreationDate() { return $this->_creationDate; }
/**
* Returns the data packets field.
*
* @return integer Returns the data packets field.
*/
public function getDataPacketsCount() { return $this->_dataPacketsCount; }
/**
* Returns the play duration field.
*
* @return integer Returns the play duration field.
*/
public function getPlayDuration() { return $this->_playDuration; }
/**
* Returns the send duration field.
*
* @return integer Returns the send duration field.
*/
public function getSendDuration() { return $this->_sendDuration; }
/**
* Returns the preroll field.
*
* @return integer Returns the preroll field.
*/
public function getPreroll() { return $this->_preroll; }
/**
* Returns the flags field.
*
* @return integer Returns the flags field.
*/
public function getFlags() { return $this->_flags; }
/**
* Returns the minimum data packet size field.
*
* @return integer Returns the minimum data packet size field.
*/
public function getMinimumDataPacketSize()
{
return $this->_minimumDataPacketSize;
}
/**
* Returns the maximum data packet size field.
*
* @return integer Returns the maximum data packet size field.
*/
public function getMaximumDataPacketSize()
{
return $this->_maximumDataPacketSize;
}
/**
* Returns the maximum bitrate field.
*
* @return integer Returns the maximum bitrate field.
*/
public function getMaximumBitrate()
{
return $this->_maximumBitrate;
}
}

147
src/ASF/HeaderObject.php Normal file
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<?php
/**
* $Id$
*
*
* Copyright (C) 2006, 2007 The Bearpaw Project Work Group. All Rights Reserved.
* Copyright (C) 2007, 2008 BEHR Software Systems. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - 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 BEHR Software Systems 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
*/
/**#@+ @ignore */
require_once("Object.php");
/**#@-*/
/**
* The ASF_Header_Object object implementation. This object contains objects
* that give information about the file. See corresponding object classes for
* more.
*
* @package php-reader
* @author Sven Vollbehr <sven.vollbehr@behrss.eu>
* @copyright 2006, 2007 The Bearpaw Project Work Group
* @copyright 2007, 2008 BEHR Software Systems
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version $Rev$
*/
final class ASF_HeaderObject extends ASF_Object
{
/**
* @var integer The number of the objects the header contains.
*/
private $_objectCount;
/**
* @var integer Internal variable to have the start of the stream stored in.
*/
private $_readerSOffset;
/**
* @var integer Internal variable to have the current position of the
* stream pointer stored in.
*/
private $_readerCOffset;
/**
* Default constructor. Initiates the class with given parameters and reads
* object information from the file.
*/
public function __construct($reader, $id, $size)
{
parent::__construct($reader, $id, $size);
$this->_readerSOffset = $this->_reader->getOffset();
$this->_objectCount = $this->_reader->getUInt32LE();
$this->_reader->skip(2);
$this->_readerCOffset = $this->_reader->getOffset();
}
/**
* Returns the number of standard ASF header objects this object contains.
*
* @return integer The number of objects the header contains.
*/
public function getObjectCount() { return $this->_objectCount; }
/**
* Checks whether there is more to be read within the bounds of the parent
* object size.
*
* @return boolean Boolean value corresponding whether there is more to read.
*/
public function hasChildObjects()
{
return ($this->_readerSOffset + $this->_size) > $this->_readerCOffset;
}
/**
* Returns the next standard ASF object or <var>false</var> if end of stream
* has been reached.
*
* @todo Only limited subset of possible child objects are regognized.
* @return ASF_Object Returns the appropriate object. Returned objects are of
* the type ASFObject or of any of the other object types that inherit
* from that base class.
*/
public function nextChildObject()
{
$object = false;
if ($this->hasChildObjects()) {
$this->_reader->setOffset($this->_readerCOffset);
$guid = $this->_reader->getGUID();
$size = $this->_reader->getInt64LE();
$offset = $this->_reader->getOffset();
switch ($guid) {
/* ASF_Content_Description_Object */
case "75b22633-668e-11cf-a6d9-00aa0062ce6c":
$object =
new ASF_ContentDescriptionObject($this->_reader, $guid, $size);
break;
/* ASF_Header_Extension_Object */
case "5fbf03b5-a92e-11cf-8ee3-00c00c205365":
$this->_reader->skip(48);
$this->_readerCOffset = $this->_reader->getOffset();
$object = $this->nextChildObject();
break;
/* ASF_Extended_Content_Description_Object */
case "d2d0a440-e307-11d2-97f0-00a0c95ea850":
$object = new ASF_ExtendedContentDescriptionObject
($this->_reader, $guid, $size);
break;
/* ASF_File_Properties_Object */
case "8cabdca1-a947-11cf-8ee4-00c00c205365":
$object = new ASF_FilePropertiesObject($this->_reader, $guid, $size);
break;
default: // not implemented
$object = new ASF_Object($this->_reader, $guid, $size);
}
$this->_reader->setOffset(($this->_readerCOffset = $offset - 24 + $size));
}
return $object;
}
}

79
src/ASF/Object.php Normal file
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<?php
/**
* $Id$
*
*
* Copyright (C) 2006, 2007 The Bearpaw Project Work Group. All Rights Reserved.
* Copyright (C) 2007, 2008 BEHR Software Systems. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - 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 BEHR Software Systems 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
*/
/**
* The base class for all ASF objects.
*
* @package php-reader
* @author Sven Vollbehr <sven.vollbehr@behrss.eu>
* @copyright 2006, 2007 The Bearpaw Project Work Group
* @copyright 2007, 2008 BEHR Software Systems
* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
* @version $Rev$
*/
class ASF_Object
{
/**
* @var Reader The reader associated with this object.
*/
protected $_reader;
/**
* @var string Object's ID
*/
private $_id;
/**
* @var integer Object size in bytes.
*/
protected $_size;
/**
* Constructs the object with the given parameters.
*/
public function __construct($reader, $id, $size)
{
$this->_reader = $reader;
$this->_id = $id;
$this->_size = $size;
}
/**
* Returns the GUID of the ASF object.
*
* @return string Returns the GUID of the ASF object.
*/
public function getID() { return $this->_id; }
}