diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/StreamProperties.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/StreamProperties.php | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/StreamProperties.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/StreamProperties.php deleted file mode 100644 index 8c42d57..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/StreamProperties.php +++ /dev/null @@ -1,288 +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 ASF - * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup - * @license http://code.google.com/p/php-reader/wiki/License New BSD License - * @version $Id: StreamProperties.php 102 2008-06-23 20:41:20Z svollbehr $ - */ - -/**#@+ @ignore */ -require_once("ASF/Object.php"); -/**#@-*/ - -/** - * The <i>Stream Properties Object</i> defines the specific properties and - * characteristics of a digital media stream. This object defines how a digital - * media stream within the <i>Data Object</i> is interpreted, as well as the - * specific format (of elements) of the <i>Data Packet</i> itself. - * - * Whereas every stream in an ASF presentation, including each stream in a - * mutual exclusion relationship, must be represented by a <i>Stream Properties - * Object</i>, in certain cases, this object might be found embedded in the - * <i>Extended Stream Properties Object</i>. - * - * @package php-reader - * @subpackage ASF - * @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: 102 $ - */ -final class ASF_Object_StreamProperties extends ASF_Object -{ - /** - * Indicates, if set, that the data contained in this stream is encrypted and - * will be unreadable unless there is a way to decrypt the stream. - */ - const ENCRYPTED_CONTENT = 0x8000; - - const AUDIO_MEDIA = "f8699e40-5b4d-11cf-a8fd-00805f5c442b"; - const VIDEO_MEDIA = "bc19efc0-5b4d-11cf-a8fd-00805f5c442b"; - const COMMAND_MEDIA = "59dacfc0-59e6-11d0-a3ac-00a0c90348f6"; - const JFIF_MEDIA = "b61be100-5b4e-11cf-a8fD-00805f5c442b"; - const DEGRADABLE_JPEG_MEDIA = "35907dE0-e415-11cf-a917-00805f5c442b"; - const FILE_TRANSFER_MEDIA = "91bd222c-f21c-497a-8b6d-5aa86bfc0185"; - const BINARY_MEDIA = "3afb65e2-47ef-40f2-ac2c-70a90d71d343"; - - const NO_ERROR_CORRECTION = "20fb5700-5b55-11cf-a8fd-00805f5c442b"; - const AUDIO_SPREAD = "bfc3cd50-618f-11cf-8bb2-00aa00b4e220"; - - /** @var string */ - private $_streamType; - - /** @var string */ - private $_errorCorrectionType; - - /** @var integer */ - private $_timeOffset; - - /** @var integer */ - private $_flags; - - /** @var Array */ - private $_typeSpecificData = array(); - - /** @var Array */ - private $_errorCorrectionData = array(); - - /** - * Constructs the class with given parameters and reads object related data - * from the ASF file. - * - * @param Reader $reader The reader object. - * @param Array $options The options array. - */ - public function __construct($reader, &$options = array()) - { - parent::__construct($reader, $options); - - $this->_streamType = $this->_reader->readGUID(); - $this->_errorCorrectionType = $this->_reader->readGUID(); - $this->_timeOffset = $this->_reader->readInt64LE(); - $typeSpecificDataLength = $this->_reader->readUInt32LE(); - $errorCorrectionDataLength = $this->_reader->readUInt32LE(); - $this->_flags = $this->_reader->readUInt16LE(); - $this->_reader->skip(4); - switch ($this->_streamType) { - case self::AUDIO_MEDIA: - $this->_typeSpecificData = array - ("codecId" => $this->_reader->readUInt16LE(), - "numberOfChannels" => $this->_reader->readUInt16LE(), - "samplesPerSecond" => $this->_reader->readUInt32LE(), - "avgNumBytesPerSecond" => $this->_reader->readUInt32LE(), - "blockAlignment" => $this->_reader->readUInt16LE(), - "bitsPerSample" => $this->_reader->readUInt16LE()); - $codecSpecificDataSize = $this->_reader->readUInt16LE(); - $this->_typeSpecificData["codecSpecificData"] = - $this->_reader->read($codecSpecificDataSize); - break; - case self::VIDEO_MEDIA: - $this->_typeSpecificData = array - ("encodedImageWidth" => $this->_reader->readUInt32LE(), - "encodedImageHeight" => $this->_reader->readUInt32LE(), - "reservedFlags" => $this->_reader->readInt8()); - $this->_reader->skip(2); - $formatDataSize = $this->_reader->readUInt32LE(); - $this->_typeSpecificData = array_merge - ($this->_typeSpecificData, array - ("imageWidth" => $this->_reader->readUInt32LE(), - "imageHeight" => $this->_reader->readUInt32LE(), - "reserved" => $this->_reader->readUInt16LE(), - "bitsPerPixelCount" => $this->_reader->readUInt16LE(), - "compressionId" => $this->_reader->readUInt32LE(), - "imageSize" => $this->_reader->readUInt32LE(), - "horizontalPixelsPerMeter" => $this->_reader->readUInt32LE(), - "verticalPixelsPerMeter" => $this->_reader->readUInt32LE(), - "colorsUsedCount" => $this->_reader->readUInt32LE(), - "importantColorsCount" => $this->_reader->readUInt32LE(), - "codecSpecificData" => $this->_reader->read($formatDataSize - 38))); - break; - case self::JFIF_MEDIA: - $this->_typeSpecificData = array - ("imageWidth" => $this->_reader->readUInt32LE(), - "imageHeight" => $this->_reader->readUInt32LE(), - "reserved" => $this->_reader->readUInt32LE()); - break; - case self::DEGRADABLE_JPEG_MEDIA: - $this->_typeSpecificData = array - ("imageWidth" => $this->_reader->readUInt32LE(), - "imageHeight" => $this->_reader->readUInt32LE(), - $this->_reader->readUInt16LE(), - $this->_reader->readUInt16LE(), - $this->_reader->readUInt16LE()); - $interchangeDataSize = $this->_reader->readUInt16LE(); - if ($interchangeDataSize == 0) - $interchangeDataSize++; - $this->_typeSpecificData["interchangeData"] = - $this->_reader->read($interchangeDataSize); - break; - case self::FILE_TRANSFER_MEDIA: - case self::BINARY_MEDIA: - $this->_typeSpecificData = array - ("majorMediaType" => $this->_reader->getGUID(), - "mediaSubtype" => $this->_reader->getGUID(), - "fixedSizeSamples" => $this->_reader->readUInt32LE(), - "temporalCompression" => $this->_reader->readUInt32LE(), - "sampleSize" => $this->_reader->readUInt32LE(), - "formatType" => $this->_reader->getGUID()); - $formatDataSize = $this->_reader->readUInt32LE(); - $this->_typeSpecificData["formatData"] = - $this->_reader->read($formatDataSize); - break; - case self::COMMAND_MEDIA: - default: - $this->_reader->skip($typeSpecificDataLength); - } - switch ($this->_errorCorrectionType) { - case self::AUDIO_SPREAD: - $this->_errorCorrectionData = array - ("span" => $this->_reader->readInt8(), - "virtualPacketLength" => $this->_reader->readUInt16LE(), - "virtualChunkLength" => $this->_reader->readUInt16LE()); - $silenceDataSize = $this->_reader->readUInt16LE(); - $this->_errorCorrectionData["silenceData"] = - $this->_reader->read($silenceDataSize); - break; - case self::NO_ERROR_CORRECTION: - default: - $this->_reader->skip($errorCorrectionDataLength); - } - } - - /** - * Returns the number of this stream. 0 is an invalid stream. Valid values are - * between 1 and 127. The numbers assigned to streams in an ASF presentation - * may be any combination of unique values; parsing logic must not assume that - * streams are numbered sequentially. - * - * @return integer - */ - public function getStreamNumber() { return $this->_flags & 0x3f; } - - /** - * Returns the type of the stream (for example, audio, video, and so on). - * - * @return string - */ - public function getStreamType() { return $this->_streamType; } - - /** - * Returns the error correction type used by this digital media stream. For - * streams other than audio, this value should be set to NO_ERROR_CORRECTION. - * For audio streams, this value should be set to AUDIO_SPREAD. - * - * @return string - */ - public function getErrorCorrectionType() - { - return $this->_errorCorrectionType; - } - - /** - * Returns the presentation time offset of the stream in 100-nanosecond units. - * The value of this field is added to all of the timestamps of the samples in - * the stream. This value shall be equal to the send time of the first - * interleaved packet in the data section. The value of this field is - * typically 0. It is non-zero in the case when an ASF file is edited and it - * is not possible for the editor to change the presentation times and send - * times of ASF packets. Note that if more than one stream is present in an - * ASF file the offset values of all stream properties objects must be equal. - * - * @return integer - */ - public function getTimeOffset() { return $this->_timeOffset; } - - /** - * Checks whether or not the flag is set. Returns <var>true</var> if the flag - * is set, <var>false</var> otherwise. - * - * @param integer $flag The flag to query. - * @return boolean - */ - public function hasFlag($flag) { return ($this->_flags & $flag) == $flag; } - - /** - * Returns the flags field. - * - * @return integer - */ - public function getFlags() { return $this->_flags; } - - /** - * Returns type-specific format data. The structure for the <i>Type-Specific - * Data</i> field is determined by the value stored in the <i>Stream Type</i> - * field. - * - * The type-specific data is returned as key-value pairs of an associate - * array. - * - * @return Array - */ - public function getTypeSpecificData() { return $this->_typeSpecificData; } - - /** - * Returns data specific to the error correction type. The structure for the - * <i>Error Correction Data</i> field is determined by the value stored in the - * <i>Error Correction Type</i> field. For example, an audio data stream might - * need to know how codec chunks were redistributed, or it might need a sample - * of encoded silence. - * - * The error correction type-specific data is returned as key-value pairs of - * an associate array. - * - * @return integer - */ - public function getErrorCorrectionData() - { - return $this->_errorCorrectionData; - } -} |