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-rw-r--r--libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/ExtendedHeader.php323
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diff --git a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/ExtendedHeader.php b/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/ExtendedHeader.php
deleted file mode 100644
index 9a90bd5..0000000
--- a/libraries/phpvideotoolkit/adapters/ffmpeg-php/php-reader/src/ID3/ExtendedHeader.php
+++ /dev/null
@@ -1,323 +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 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: ExtendedHeader.php 105 2008-07-30 14:56:47Z svollbehr $
- */
-
-/**#@+ @ignore */
-require_once("ID3/Object.php");
-/**#@-*/
-
-/**
- * The extended header contains information that can provide further insight in
- * the structure of the tag, but is not vital to the correct parsing of the tag
- * information; hence the extended header is optional.
- *
- * @package php-reader
- * @subpackage ID3
- * @author Sven Vollbehr <svollbehr@gmail.com>
- * @author Ryan Butterfield <buttza@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: 105 $
- */
-final class ID3_ExtendedHeader extends ID3_Object
-{
- /**
- * A flag to denote that the present tag is an update of a tag found earlier
- * in the present file or stream. If frames defined as unique are found in
- * the present tag, they are to override any corresponding ones found in the
- * earlier tag. This flag has no corresponding data.
- *
- * @since ID3v2.4.0
- */
- const UPDATE = 64;
-
- /**
- * @since ID3v2.4.0 A flag to denote that a CRC-32 data is included in the
- * extended header. The CRC is calculated on all the data between the header
- * and footer as indicated by the header's tag length field, minus the
- * extended header. Note that this includes the padding (if there is any), but
- * excludes the footer. The CRC-32 is stored as an 35 bit synchsafe integer,
- * leaving the upper four bits always zeroed.
- *
- * @since ID3v2.3.0 The CRC is calculated before unsynchronisation on the data
- * between the extended header and the padding, i.e. the frames and only the
- * frames.
- */
- const CRC32 = 32;
-
- /**
- * A flag to denote whether or not the tag has restrictions applied on it.
- *
- * @since ID3v2.4.0
- */
- const RESTRICTED = 16;
-
- /** @var integer */
- private $_size;
-
- /** @var integer */
- private $_flags = 0;
-
- /** @var integer */
- private $_padding;
-
- /** @var integer */
- private $_crc;
-
- /** @var integer */
- private $_restrictions = 0;
-
- /**
- * Constructs the class with given parameters and reads object related data
- * from the ID3v2 tag.
- *
- * @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)
- return;
-
- $offset = $this->_reader->getOffset();
- $this->_size = $this->_reader->readUInt32BE();
-
- /* ID3v2.3.0 ExtendedHeader */
- if ($this->getOption("version", 4) < 4) {
- if ($this->_reader->readUInt16BE() == 0x8000)
- $this->_flags = self::CRC32;
- $this->_padding = $this->_reader->readUInt32BE();
- if ($this->hasFlag(self::CRC32))
- $this->_crc = Transform::readUInt32BE();
- }
-
- /* ID3v2.4.0 ExtendedHeader */
- else {
- $this->_size = $this->decodeSynchsafe32($this->_size);
- $this->_reader->skip(1);
- $this->_flags = $this->_reader->readInt8();
- if ($this->hasFlag(self::UPDATE))
- $this->_reader->skip(1);
- if ($this->hasFlag(self::CRC32)) {
- $this->_reader->skip(1);
- $this->_crc =
- Transform::fromInt8($this->_reader->read(1)) * (0xfffffff + 1) +
- decodeSynchsafe32(Transform::fromUInt32BE($this->_reader->read(4)));
- }
- if ($this->hasFlag(self::RESTRICTED)) {
- $this->_reader->skip(1);
- $this->_restrictions = $this->_reader->readInt8(1);
- }
- }
- }
-
- /**
- * Returns the extended header size in bytes.
- *
- * @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) == $flag; }
-
- /**
- * Returns the flags byte.
- *
- * @return integer
- */
- public function getFlags($flags) { return $this->_flags; }
-
- /**
- * Sets the flags byte.
- *
- * @param integer $flags The flags byte.
- */
- public function setFlags($flags) { $this->_flags = $flags; }
-
- /**
- * Returns the CRC-32 data.
- *
- * @return integer
- */
- public function getCrc()
- {
- if ($this->hasFlag(self::CRC32))
- return $this->_crc;
- return false;
- }
-
- /**
- * Sets whether the CRC-32 should be generated upon tag write.
- *
- * @param boolean $useCrc Whether CRC-32 should be generated.
- */
- public function useCrc($useCrc)
- {
- if ($useCrc)
- $this->setFlags($this->getFlags() | self::CRC32);
- else
- $this->setFlags($this->getFlags() & ~self::CRC32);
- }
-
- /**
- * Sets the CRC-32. The CRC-32 value is calculated of all the frames in the
- * tag and includes padding.
- *
- * @param integer $crc The 32-bit CRC value.
- */
- public function setCrc($crc)
- {
- if (is_bool($crc))
- $this->useCrc($crc);
- else
- $this->_crc = $crc;
- }
-
- /**
- * Returns the restrictions. For some applications it might be desired to
- * restrict a tag in more ways than imposed by the ID3v2 specification. Note
- * that the presence of these restrictions does not affect how the tag is
- * decoded, merely how it was restricted before encoding. If this flag is set
- * the tag is restricted as follows:
- *
- * <pre>
- * Restrictions %ppqrrstt
- *
- * p - Tag size restrictions
- *
- * 00 No more than 128 frames and 1 MB total tag size.
- * 01 No more than 64 frames and 128 KB total tag size.
- * 10 No more than 32 frames and 40 KB total tag size.
- * 11 No more than 32 frames and 4 KB total tag size.
- *
- * q - Text encoding restrictions
- *
- * 0 No restrictions
- * 1 Strings are only encoded with ISO-8859-1 or UTF-8.
- *
- * r - Text fields size restrictions
- *
- * 00 No restrictions
- * 01 No string is longer than 1024 characters.
- * 10 No string is longer than 128 characters.
- * 11 No string is longer than 30 characters.
- *
- * Note that nothing is said about how many bytes is used to represent those
- * characters, since it is encoding dependent. If a text frame consists of
- * more than one string, the sum of the strungs is restricted as stated.
- *
- * s - Image encoding restrictions
- *
- * 0 No restrictions
- * 1 Images are encoded only with PNG [PNG] or JPEG [JFIF].
- *
- * t - Image size restrictions
- *
- * 00 No restrictions
- * 01 All images are 256x256 pixels or smaller.
- * 10 All images are 64x64 pixels or smaller.
- * 11 All images are exactly 64x64 pixels, unless required otherwise.
- * </pre>
- *
- * @return integer
- */
- public function getRestrictions() { return $this->_restrictions; }
-
- /**
- * Sets the restrictions byte. See {@link #getRestrictions} for more.
- *
- * @param integer $restrictions The restrictions byte.
- */
- public function setRestrictions($restrictions)
- {
- $this->_restrictions = $restrictions;
- }
-
- /**
- * Returns the total padding size, or simply the total tag size excluding the
- * frames and the headers.
- *
- * @return integer
- * @deprecated ID3v2.3.0
- */
- public function getPadding() { return $this->_padding; }
-
- /**
- * Sets the total padding size, or simply the total tag size excluding the
- * frames and the headers.
- *
- * @param integer $padding The padding size.
- * @deprecated ID3v2.3.0
- */
- public function setPadding($padding) { return $this->_padding = $padding; }
-
- /**
- * Returns the header raw data.
- *
- * @return string
- */
- public function __toString()
- {
- /* ID3v2.3.0 ExtendedHeader */
- if ($this->getOption("version", 4) < 4) {
- return Transform::toUInt32BE($this->_size) .
- Transform::toUInt16BE($this->hasFlag(self::CRC32) ? 0x8000 : 0) .
- Transform::toUInt32BE($this->_padding) .
- ($this->hasFlag(self::CRC32) ? Transform::toUInt32BE($this->_crc) : "");
- }
-
- /* ID3v2.4.0 ExtendedHeader */
- else {
- return Transform::toUInt32BE($this->encodeSynchsafe32($this->_size)) .
- Transform::toInt8(1) . Transform::toInt8($this->_flags) .
- ($this->hasFlag(self::UPDATE) ? "\0" : "") .
- ($this->hasFlag(self::CRC32) ? Transform::toInt8(5) .
- Transform::toInt8($this->_crc & 0xf0000000 >> 28 & 0xf /*eq >>> 28*/) .
- Transform::toUInt32BE($this->encodeSynchsafe32($this->_crc)) : "") .
- ($this->hasFlag(self::RESTRICTED) ?
- Transform::toInt8(1) . Transform::toInt8($this->_restrictions) : "");
- }
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 16:47:42 +0000