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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame.php
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--- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/Frame.php
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-<?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 ID3
- * @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
- * @license http://code.google.com/p/php-reader/wiki/License New BSD License
- * @version $Id: Frame.php 107 2008-08-03 19:09:16Z svollbehr $
- */
-
-/**#@+ @ignore */
-require_once("ID3/Object.php");
-/**#@-*/
-
-/**
- * A base class for all ID3v2 frames as described in the
- * {@link http://www.id3.org/id3v2.4.0-frames ID3v2 frames document}.
- *
- *
- * @package php-reader
- * @subpackage ID3
- * @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: 107 $
- */
-class ID3_Frame extends ID3_Object
-{
- /**
- * This flag tells the tag parser what to do with this frame if it is unknown
- * and the tag is altered in any way. This applies to all kinds of
- * alterations, including adding more padding and reordering the frames.
- */
- const DISCARD_ON_TAGCHANGE = 16384;
-
- /**
- * This flag tells the tag parser what to do with this frame if it is unknown
- * and the file, excluding the tag, is altered. This does not apply when the
- * audio is completely replaced with other audio data.
- */
- const DISCARD_ON_FILECHANGE = 8192;
-
- /**
- * This flag, if set, tells the software that the contents of this frame are
- * intended to be read only. Changing the contents might break something,
- * e.g. a signature.
- */
- const READ_ONLY = 4096;
-
- /**
- * This flag indicates whether or not this frame belongs in a group with
- * other frames. If set, a group identifier byte is added to the frame. Every
- * frame with the same group identifier belongs to the same group.
- */
- const GROUPING_IDENTITY = 32;
-
- /**
- * This flag indicates whether or not the frame is compressed. A <i>Data
- * Length Indicator</i> byte is included in the frame.
- *
- * @see DATA_LENGTH_INDICATOR
- */
- const COMPRESSION = 8;
-
- /**
- * This flag indicates whether or not the frame is encrypted. If set, one byte
- * indicating with which method it was encrypted will be added to the frame.
- * See description of the {@link ID3_Frame_ENCR} frame for more information
- * about encryption method registration. Encryption should be done after
- * compression. Whether or not setting this flag requires the presence of a
- * <i>Data Length Indicator</i> depends on the specific algorithm used.
- *
- * @see DATA_LENGTH_INDICATOR
- */
- const ENCRYPTION = 4;
-
- /**
- * This flag indicates whether or not unsynchronisation was applied to this
- * frame.
- *
- * @since ID3v2.4.0
- */
- const UNSYNCHRONISATION = 2;
-
- /**
- * This flag indicates that a data length indicator has been added to the
- * frame.
- *
- * @since ID3v2.4.0
- */
- const DATA_LENGTH_INDICATOR = 1;
-
- /** @var integer */
- private $_identifier;
-
- /** @var integer */
- private $_size = 0;
-
- /** @var integer */
- private $_flags = 0;
-
- /**
- * Raw content of the frame.
- *
- * @var string
- */
- protected $_data = "";
-
- /**
- * Constructs the class with given parameters and reads object related data
- * from the ID3v2 tag.
- *
- * @todo Only limited subset of flags are processed.
- * @param Reader $reader The reader object.
- * @param Array $options The options array.
- */
- public function __construct($reader = null, &$options = array())
- {
- parent::__construct($reader, $options);
-
- if ($reader === null) {
- $this->_identifier = substr(get_class($this), -4);
- } else {
- $this->_identifier = $this->_reader->readString8(4);
-
- /* ID3v2.3.0 size and flags; convert flags to 2.4.0 format */
- if ($this->getOption("version", 4) < 4) {
- $this->_size = $this->_reader->readUInt32BE();
- $flags = $this->_reader->readUInt16BE();
- if (($flags & 0x8000) == 0x8000)
- $this->_flags |= self::DISCARD_ON_TAGCHANGE;
- if (($flags & 0x4000) == 0x4000)
- $this->_flags |= self::DISCARD_ON_FILECHANGE;
- if (($flags & 0x2000) == 0x2000)
- $this->_flags |= self::READ_ONLY;
- if (($flags & 0x80) == 0x80)
- $this->_flags |= self::COMPRESSION;
- if (($flags & 0x40) == 0x40)
- $this->_flags |= self::ENCRYPTION;
- if (($flags & 0x20) == 0x20)
- $this->_flags |= self::GROUPING_IDENTITY;
- }
-
- /* ID3v2.4.0 size and flags */
- else {
- $this->_size = $this->decodeSynchsafe32($this->_reader->readUInt32BE());
- $this->_flags = $this->_reader->readUInt16BE();
- }
-
- $dataLength = $this->_size;
- if ($this->hasFlag(self::DATA_LENGTH_INDICATOR)) {
- $dataLength = $this->decodeSynchsafe32($this->_reader->readUInt32BE());
- $this->_size -= 4;
- }
- $this->_data = $this->_reader->read($this->_size);
- $this->_size = $dataLength;
-
- if ($this->hasFlag(self::UNSYNCHRONISATION) ||
- $this->getOption("unsyncronisation", false) === true)
- $this->_data = $this->decodeUnsynchronisation($this->_data);
- }
- }
-
- /**
- * Returns the frame identifier string.
- *
- * @return string
- */
- public function getIdentifier() { return $this->_identifier; }
-
- /**
- * Sets the frame identifier.
- *
- * @param string $identifier The identifier.
- */
- public function setIdentifier($identifier)
- {
- $this->_identifier = $identifier;
- }
-
- /**
- * Returns the size of the data in the final frame, after encryption,
- * compression and unsynchronisation. The size is excluding the frame header.
- *
- * @return integer
- */
- public function getSize() { return $this->_size; }
-
- /**
- * 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) == $flag; }
-
- /**
- * Returns the frame flags byte.
- *
- * @return integer
- */
- public function getFlags($flags) { return $this->_flags; }
-
- /**
- * Sets the frame flags byte.
- *
- * @param string $flags The flags byte.
- */
- public function setFlags($flags) { $this->_flags = $flags; }
-
- /**
- * Sets the frame raw data.
- *
- * @param string $data
- */
- protected function setData($data)
- {
- $this->_data = $data;
- $this->_size = strlen($data);
- }
-
- /**
- * Returns the frame raw data.
- *
- * @return string
- */
- public function __toString()
- {
- /* ID3v2.3.0 Flags; convert from 2.4.0 format */
- if ($this->getOption("version", 4) < 4) {
- $flags = 0;
- if ($this->hasFlag(self::DISCARD_ON_TAGCHANGE))
- $flags = $flags | 0x8000;
- if ($this->hasFlag(self::DISCARD_ON_FILECHANGE))
- $flags = $flags | 0x4000;
- if ($this->hasFlag(self::READ_ONLY))
- $flags = $flags | 0x2000;
- if ($this->hasFlag(self::COMPRESSION))
- $flags = $flags | 0x80;
- if ($this->hasFlag(self::ENCRYPTION))
- $flags = $flags | 0x40;
- if ($this->hasFlag(self::GROUPING_IDENTITY))
- $flags = $flags | 0x20;
- }
-
- /* ID3v2.4.0 Flags */
- else
- $flags = $this->_flags;
-
- $size = $this->_size;
- if ($this->getOption("version", 4) < 4)
- $data = $this->_data;
- else {
- $data = $this->encodeUnsynchronisation($this->_data);
- if (($dataLength = strlen($data)) != $size) {
- $size = 4 + $dataLength;
- $data = Transform::toUInt32BE($this->encodeSynchsafe32($this->_size)) .
- $data;
- $flags |= self::DATA_LENGTH_INDICATOR | self::UNSYNCHRONISATION;
- $this->setOption("unsyncronisation", true);
- }
- }
- return Transform::toString8(substr($this->_identifier, 0, 4), 4) .
- Transform::toUInt32BE($this->encodeSynchsafe32($size)) .
- Transform::toUInt16BE($flags) . $data;
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 20:58:36 +0000