diff options
Diffstat (limited to 'libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedStreamProperties.php')
| -rw-r--r-- | libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedStreamProperties.php | 418 |
1 files changed, 0 insertions, 418 deletions
diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedStreamProperties.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedStreamProperties.php deleted file mode 100644 index 6a65038..0000000 --- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ASF/Object/ExtendedStreamProperties.php +++ /dev/null @@ -1,418 +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: ExtendedStreamProperties.php 108 2008-09-05 17:00:05Z svollbehr $ - */ - -/**#@+ @ignore */ -require_once("ASF/Object.php"); -/**#@-*/ - -/** - * The <i>Extended Stream Properties Object</i> defines additional optional - * properties and characteristics of a digital media stream that are not - * described in the <i>Stream Properties Object</i>. - * - * Typically, the basic <i>Stream Properties Object</i> is present in the - * <i>Header Object</i>, and the <i>Extended Stream Properties Object</i> is - * present in the <i>Header Extension Object</i>. Sometimes, however, the - * <i>Stream Properties Object</i> for a stream may be embedded inside the - * <i>Extended Stream Properties Object</i> for that stream. This approach - * facilitates the creation of backward-compatible content. - * - * This object has an optional provision to include application-specific or - * implementation-specific data attached to the payloads of each digital media - * sample stored within a <i>Data Packet</i>. This data can be looked at as - * digital media sample properties and is stored in the <i>Replicated Data</i> - * field of a payload header. The <i>Payload Extension Systems</i> fields of the - * <i>Extended Stream Properties Object</i> describes what this data is and is - * necessary for that data to be parsed, if present. - * - * @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: 108 $ - */ -final class ASF_Object_ExtendedStreamProperties extends ASF_Object -{ - /** - * Indicates, if set, that this digital media stream, if sent over a network, - * must be carried over a reliable data communications transport mechanism. - * This should be set for streams that cannot recover after a lost media - * object. - */ - const RELIABLE = 1; - - /** - * This flag should be set only if the stream is seekable, either by using an - * index object or by estimating according to bit rate (as can sometimes be - * done with audio). This flag pertains to this stream only rather than to the - * entire file. - */ - const SEEKABLE = 2; - - /** - * Indicates, if set, that the stream does not contain any cleanpoints. A - * cleanpoint is any point at which playback could begin without having seen - * the previous media objects. For streams that use key frames, the key frames - * would be the cleanpoints. - */ - const NO_CLEANPOINT = 4; - - /** - * Specifies, if set, that when a stream is joined in mid-transmission, all - * information from the most recent cleanpoint up to the current time should - * be sent before normal streaming begins at the current time. The default - * behavior (when this flag is not set) is to send only the data starting at - * the current time. This flag should only be set for streams that are coming - * from a live source. - */ - const RESEND_LIVE_CLEANPOINTS = 8; - - 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"; - - const PAYLOAD_EXTENSION_SYSTEM_TIMECODE = - "399595ec-8667-4e2d-8fdb-98814ce76c1e"; - const PAYLOAD_EXTENSION_SYSTEM_FILE_NAME = - "e165ec0e-19ed-45d7-b4a7-25cbd1e28e9b"; - const PAYLOAD_EXTENSION_SYSTEM_CONTENT_TYPE = - "d590dc20-07bc-436c-9cf7-f3bbfbf1a4dc"; - const PAYLOAD_EXTENSION_SYSTEM_PIXEL_ASPECT_RATIO = - "1b1ee554-f9ea-4bc8-821a-376b74e4c4b8"; - const PAYLOAD_EXTENSION_SYSTEM_SAMPLE_DURATION = - "c6bd9450-867f-4907-83a3-c77921b733ad"; - const PAYLOAD_EXTENSION_SYSTEM_ENCRYPTION_SAMPLE_ID = - "6698b84e-0afa-4330-aeb2-1c0a98d7a44d"; - - /** @var integer */ - private $_startTime; - - /** @var integer */ - private $_endTime; - - /** @var integer */ - private $_dataBitrate; - - /** @var integer */ - private $_bufferSize; - - /** @var integer */ - private $_initialBufferFullness; - - /** @var integer */ - private $_alternateDataBitrate; - - /** @var integer */ - private $_alternateBufferSize; - - /** @var integer */ - private $_alternateInitialBufferFullness; - - /** @var integer */ - private $_maximumObjectSize; - - /** @var integer */ - private $_flags; - - /** @var integer */ - private $_streamNumber; - - /** @var integer */ - private $_streamLanguageIndex; - - /** @var integer */ - private $_averageTimePerFrame; - - /** @var Array */ - private $_streamNames = array(); - - /** @var Array */ - private $_payloadExtensionSystems = 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->_startTime = $this->_reader->readInt64LE(); - $this->_endTime = $this->_reader->readInt64LE(); - $this->_dataBitrate = $this->_reader->readUInt32LE(); - $this->_bufferSize = $this->_reader->readUInt32LE(); - $this->_initialBufferFullness = $this->_reader->readUInt32LE(); - $this->_alternateDataBitrate = $this->_reader->readUInt32LE(); - $this->_alternateBufferSize = $this->_reader->readUInt32LE(); - $this->_alternateInitialBufferFullness = $this->_reader->readUInt32LE(); - $this->_maximumObjectSize = $this->_reader->readUInt32LE(); - $this->_flags = $this->_reader->readUInt32LE(); - $this->_streamNumber = $this->_reader->readUInt16LE(); - $this->_streamLanguageIndex = $this->_reader->readUInt16LE(); - $this->_averageTimePerFrame = $this->_reader->readInt64LE(); - $streamNameCount = $this->_reader->readUInt16LE(); - $payloadExtensionSystemCount = $this->_reader->readUInt16LE(); - for ($i = 0; $i < $streamNameCount; $i++) { - $streamName = array("languageIndex" => $this->_reader->readUInt16LE()); - $streamNameLength = $this->_reader->readUInt16LE(); - $streamName["streamName"] = iconv - ("utf-16le", $this->getOption("encoding"), - $this->_reader->readString16LE($streamNameLength)); - $this->_streamNames[] = $streamName; - } - for ($i = 0; $i < $payloadExtensionSystemCount; $i++) { - $payloadExtensionSystem = array - ("extensionSystemId" => $this->_reader->readGUID(), - "extensionDataSize" => $this->_reader->readUInt16LE()); - $extensionSystemInfoLength = $this->_reader->readUInt32LE(); - $payloadExtensionSystem["extensionSystemInfo"] = iconv - ("utf-16le", $this->getOption("encoding"), - $this->_reader->readString16LE($extensionSystemInfoLength)); - $this->_payloadExtensionSystems[] = $payloadExtensionSystem; - } - } - - /** - * Returns the presentation time of the first object, indicating where this - * digital media stream starts within the context of the timeline of the ASF - * file as a whole. This time value corresponds to presentation times as they - * appear in the data packets (adjusted by the preroll). This field is given - * in units of milliseconds and can optionally be set to 0, in which case it - * will be ignored. - * - * @return integer - */ - public function getStartTime() { return $this->_startTime; } - - /** - * Returns the presentation time of the last object plus the duration of play, - * indicating where this digital media stream ends within the context of the - * timeline of the ASF file as a whole. This time value corresponds to - * presentation times as they appear in the data packets (adjusted by the - * preroll). This field is given in units of milliseconds and can optionally - * be set to 0, in which case it will be ignored. - * - * @return integer - */ - public function getEndTime() { return $this->_endTime; } - - /** - * Returns the leak rate R, in bits per second, of a leaky bucket that - * contains the data portion of the stream without overflowing, excluding all - * ASF Data Packet overhead. The size of the leaky bucket is specified by the - * value of the <i>Buffer Size</i> field. This field has a non-zero value. - * - * @return integer - */ - public function getDataBitrate() { return $this->_dataBitrate; } - - /** - * Returns the size B, in milliseconds, of the leaky bucket used in the - * <i>Data Bitrate</i> definition. - * - * @return integer - */ - public function getBufferSize() { return $this->_bufferSize; } - - /** - * Returns the initial fullness, in milliseconds, of the leaky bucket used in - * the <i>Data Bitrate</i> definition. This is the fullness of the buffer at - * the instant before the first bit in the stream is dumped into the bucket. - * Typically, this value is set to 0. This value shall not exceed the value in - * the <i>Buffer Size</i> field. - * - * @return integer - */ - public function getInitialBufferFullness() - { - return $this->_initialBufferFullness; - } - - /** - * Returns the leak rate RAlt, in bits per second, of a leaky bucket that - * contains the data portion of the stream without overflowing, excluding all - * ASF <i>Data Packet</i> overhead. The size of the leaky bucket is specified - * by the value of the <i>Alternate Buffer Size</i> field. This value is - * relevant in most scenarios where the bit rate is not exactly constant, but - * it is especially useful for streams that have highly variable bit rates. - * This field can optionally be set to the same value as the <i>Data - * Bitrate</i> field. - * - * @return integer - */ - public function getAlternateDataBitrate() - { - return $this->_alternateDataBitrate; - } - - /** - * Returns the size BAlt, in milliseconds, of the leaky bucket used in the - * <i>Alternate Data Bitrate</i> definition. This value is relevant in most - * scenarios where the bit rate is not exactly constant, but it is especially - * useful for streams that have highly variable bit rates. This field can - * optionally be set to the same value as the <i>Buffer Size</i> field. - * - * @return integer - */ - public function getAlternateBufferSize() - { - return $this->_alternateBufferSize; - } - - /** - * Returns the initial fullness, in milliseconds, of the leaky bucket used in - * the <i>Alternate Data Bitrate</i> definition. This is the fullness of the - * buffer at the instant before the first bit in the stream is dumped into the - * bucket. Typically, this value is set to 0. This value does not exceed the - * value of the <i>Alternate Buffer Size</i> field. - * - * @return integer - */ - public function getAlternateInitialBufferFullness() - { - return $this->_alternateInitialBufferFullness; - } - - /** - * Returns the maximum size of the largest sample stored in the data packets - * for a stream. A value of 0 means unknown. - * - * @return integer - */ - public function getMaximumObjectSize() - { - return $this->_maximumObjectSize; - } - - /** - * Returns the average time duration, measured in 100-nanosecond units, of - * each frame. This number should be rounded to the nearest integer. This - * field can optionally be set to 0 if the average time per frame is unknown - * or unimportant. It is recommended that this field be set for video. - * - * @return integer - */ - public function getAverageTimePerFrame() - { - return $this->_averageTimePerFrame; - } - - /** - * Returns the number of this stream. 0 is an invalid stream number (that is, - * other <i>Header Objects</i> use stream number 0 to refer to the entire file - * as a whole rather than to a specific media stream within the file). Valid - * values are between 1 and 127. - * - * @return integer - */ - public function getStreamNumber() - { - return $this->_streamNumber; - } - - /** - * Returns the language, if any, which the content of the stream uses or - * assumes. Refer to the {@link LanguageList Language List Object} description - * for the details concerning how the <i>Stream Language Index</i> and - * <i>Language Index</i> fields should be used. Note that this is an index - * into the languages listed in the <i>Language List Object</i> rather than a - * language identifier. - * - * @return integer - */ - public function getStreamLanguageIndex() - { - return $this->_streamLanguageIndex; - } - - /** - * Returns an array of Stream Names. Each stream name instance is potentially - * localized into a specific language. The <i>Language Index</i> field - * indicates the language in which the <i>Stream Name</i> has been written. - * - * The array contains the following keys: - * o languageIndex -- The language index - * o streamName -- The localized stream name - * - * @return Array - */ - public function getStreamNames() - { - return $this->_streamNames; - } - - /** - * Returns an array of payload extension systems. Payload extensions provide a - * way for content creators to specify kinds of data that will appear in the - * payload header for every payload from this stream. This system is used when - * stream properties must be conveyed at the media object level. The - * <i>Replicated Data</i> bytes in the payload header will contain these - * properties in the order in which the <i>Payload Extension Systems</i> - * appear in this object. A <i>Payload Extension System</i> must appear in the - * <i>Extended Stream Properties Object</i> for each type of per-media-object - * properties that will appear with the payloads for this stream. - * - * The array contains the following keys: - * o extensionSystemId -- Specifies a unique identifier for the extension - * system. - * o extensionDataSize -- Specifies the fixed size of the extension data for - * this system that will appear in the replicated data alongside every - * payload for this stream. If this extension system uses variable-size - * data, then this should be set to 0xffff. Note, however, that replicated - * data length is limited to 255 bytes, which limits the total size of all - * extension systems for a particular stream. - * o extensionSystemInfo -- Specifies additional information to describe - * this extension system (optional). - * - * @return Array - */ - public function getPayloadExtensionSystems() - { - return $this->_payloadExtensionSystems; - } -} |