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Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SDTP.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SDTP.php | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SDTP.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SDTP.php deleted file mode 100644 index b8f3dc3..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ISO14496/Box/SDTP.php +++ /dev/null @@ -1,130 +0,0 @@ -<?php -/** - * PHP Reader Library - * - * Copyright (c) 2008 The PHP Reader Project Workgroup. 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 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 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Id: SDTP.php 92 2008-05-10 13:43:14Z svollbehr $ - */ - -/**#@+ @ignore */ -require_once("ISO14496/Box/Full.php"); -/**#@-*/ - -/** - * The <i>Independent and Disposable Samples Box</i> 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 <svollbehr@gmail.com> - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Rev: 92 $ - */ -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; - } -} |