Minor improvements
git-svn-id: http://php-reader.googlecode.com/svn/trunk@138 51a70ab9-7547-0410-9469-37e369ee0574
This commit is contained in:
@@ -2,7 +2,8 @@
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/**
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* PHP Reader Library
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*
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* Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
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* Copyright (c) 2008-2009 The PHP Reader Project Workgroup. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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@@ -30,7 +31,7 @@
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*
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* @package php-reader
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* @subpackage ID3
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Id$
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*/
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@@ -47,7 +48,7 @@ require_once("ID3/Object.php");
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* @package php-reader
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* @subpackage ID3
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* @author Sven Vollbehr <svollbehr@gmail.com>
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Rev$
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*/
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@@ -193,14 +194,14 @@ class ID3_Frame extends ID3_Object
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*
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* @return string
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*/
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public function getIdentifier() { return $this->_identifier; }
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public final function getIdentifier() { return $this->_identifier; }
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/**
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* Sets the frame identifier.
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*
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* @param string $identifier The identifier.
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*/
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public function setIdentifier($identifier)
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public final function setIdentifier($identifier)
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{
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$this->_identifier = $identifier;
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}
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@@ -211,7 +212,7 @@ class ID3_Frame extends ID3_Object
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*
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* @return integer
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*/
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public function getSize() { return $this->_size; }
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public final function getSize() { return $this->_size; }
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/**
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* Checks whether or not the flag is set. Returns <var>true</var> if the flag
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@@ -220,21 +221,21 @@ class ID3_Frame extends ID3_Object
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* @param integer $flag The flag to query.
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* @return boolean
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*/
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public function hasFlag($flag) { return ($this->_flags & $flag) == $flag; }
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public final function hasFlag($flag) { return ($this->_flags & $flag) == $flag; }
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/**
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* Returns the frame flags byte.
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*
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* @return integer
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*/
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public function getFlags($flags) { return $this->_flags; }
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public final function getFlags($flags) { return $this->_flags; }
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/**
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* Sets the frame flags byte.
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*
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* @param string $flags The flags byte.
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*/
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public function setFlags($flags) { $this->_flags = $flags; }
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public final function setFlags($flags) { $this->_flags = $flags; }
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/**
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* Sets the frame raw data.
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@@ -2,7 +2,7 @@
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/**
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* PHP Reader Library
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*
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* Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
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* Copyright (c) 2008-2009 The PHP Reader Project Workgroup. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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@@ -30,7 +30,7 @@
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*
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* @package php-reader
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* @subpackage ID3
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Id$
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*/
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@@ -42,7 +42,7 @@
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* @subpackage ID3
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* @author Sven Vollbehr <svollbehr@gmail.com>
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* @author Ryan Butterfield <buttza@gmail.com>
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* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
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* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Rev$
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*/
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@@ -79,7 +79,7 @@ abstract class ID3_Object
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*
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* @return Array
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*/
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public function getOptions() { return $this->_options; }
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public final function getOptions() { return $this->_options; }
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/**
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* Returns the given option value, or the default value if the option is not
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@@ -88,7 +88,7 @@ abstract class ID3_Object
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* @param string $option The name of the option.
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* @param mixed $defaultValue The default value to be returned.
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*/
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public function getOption($option, $defaultValue = false)
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public final function getOption($option, $defaultValue = false)
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{
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if (isset($this->_options[$option]))
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return $this->_options[$option];
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@@ -100,7 +100,7 @@ abstract class ID3_Object
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*
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* @param Array $options The options array.
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*/
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public function setOptions(&$options) { $this->_options = &$options; }
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public final function setOptions(&$options) { $this->_options = &$options; }
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/**
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* Sets the given option the given value.
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@@ -108,7 +108,7 @@ abstract class ID3_Object
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* @param string $option The name of the option.
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* @param mixed $value The value to set for the option.
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*/
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public function setOption($option, $value)
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public final function setOption($option, $value)
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{
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$this->_options[$option] = $value;
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}
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@@ -149,7 +149,7 @@ abstract class ID3_Object
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* @param integer $val The integer to encode.
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* @return integer
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*/
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protected function encodeSynchsafe32($val)
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protected final function encodeSynchsafe32($val)
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{
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return ($val & 0x7f) | ($val & 0x3f80) << 1 |
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($val & 0x1fc000) << 2 | ($val & 0xfe00000) << 3;
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@@ -161,7 +161,7 @@ abstract class ID3_Object
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* @param integer $val The integer to decode
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* @return integer
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*/
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protected function decodeSynchsafe32($val)
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protected final function decodeSynchsafe32($val)
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{
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return ($val & 0x7f) | ($val & 0x7f00) >> 1 |
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($val & 0x7f0000) >> 2 | ($val & 0x7f000000) >> 3;
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@@ -180,7 +180,7 @@ abstract class ID3_Object
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* @param string $data The input data.
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* @return string
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*/
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protected function encodeUnsynchronisation(&$data)
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protected final function encodeUnsynchronisation(&$data)
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{
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$result = "";
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for ($i = 0, $j = 0; $i < strlen($data) - 1; $i++)
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@@ -199,7 +199,7 @@ abstract class ID3_Object
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* @param string $data The input data.
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* @return string
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*/
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protected function decodeUnsynchronisation(&$data)
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protected final function decodeUnsynchronisation(&$data)
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{
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$result = "";
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for ($i = 0, $j = 0; $i < strlen($data) - 1; $i++)
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@@ -217,7 +217,7 @@ abstract class ID3_Object
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* @param string $value The input string.
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* @return Array
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*/
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protected function explodeString16($value, $limit = null)
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protected final function explodeString16($value, $limit = null)
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{
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$i = 0;
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$array = array();
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@@ -244,7 +244,7 @@ abstract class ID3_Object
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* @param string $value The input string.
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* @return Array
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*/
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protected function explodeString8($value, $limit = null)
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protected final function explodeString8($value, $limit = null)
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{
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return preg_split("/\\x00/", $value, $limit);
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}
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@@ -256,7 +256,7 @@ abstract class ID3_Object
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* @param string|Array $string
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* @param string $encoding
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*/
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protected function convertString($string, $encoding)
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protected final function convertString($string, $encoding)
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{
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$target = $this->getOption("encoding", ID3_Encoding::UTF8);
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switch ($target) {
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@@ -245,7 +245,7 @@ require_once("ISO14496/Box.php");
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Rev$
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*/
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class ISO14496 extends ISO14496_Box
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final class ISO14496 extends ISO14496_Box
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{
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/** @var string */
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private $_filename;
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@@ -2,7 +2,8 @@
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/**
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* PHP Reader Library
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*
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* Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
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* Copyright (c) 2008-2009 The PHP Reader Project Workgroup. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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@@ -30,7 +31,7 @@
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*
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* @package php-reader
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* @subpackage ISO 14496
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* @copyright Copyright (c) 2008 PHP Reader Project Workgroup
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* @copyright Copyright (c) 2008-2009 PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Id$
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*/
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@@ -45,7 +46,7 @@ require_once("ISO14496/Exception.php");
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* @package php-reader
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* @subpackage ISO 14496
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* @author Sven Vollbehr <svollbehr@gmail.com>
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* @copyright Copyright (c) 2008 PHP Reader Project Workgroup
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* @copyright Copyright (c) 2008-2009 PHP Reader Project Workgroup
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* @license http://code.google.com/p/php-reader/wiki/License New BSD License
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* @version $Rev$
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*/
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@@ -107,7 +108,7 @@ class ISO14496_Box
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if ($this->_type == "uuid")
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$this->_type = $this->_reader->readGUID();
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}
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$this->_options = $options;
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$this->_options = &$options;
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}
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/**
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@@ -115,7 +116,7 @@ class ISO14496_Box
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*
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* @return Array
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*/
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public function getOptions() { return $this->_options; }
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public final function getOptions() { return $this->_options; }
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/**
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* Returns the given option value, or the default value if the option is not
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@@ -124,7 +125,7 @@ class ISO14496_Box
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* @param string $option The name of the option.
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* @param mixed $defaultValue The default value to be returned.
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*/
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public function getOption($option, $defaultValue = false)
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public final function getOption($option, $defaultValue = false)
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{
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if (isset($this->_options[$option]))
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return $this->_options[$option];
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@@ -136,7 +137,7 @@ class ISO14496_Box
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*
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* @param Array $options The options array.
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*/
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public function setOptions(&$options) { $this->_options = $options; }
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public final function setOptions(&$options) { $this->_options = &$options; }
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/**
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* Sets the given option the given value.
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@@ -144,7 +145,7 @@ class ISO14496_Box
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* @param string $option The name of the option.
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* @param mixed $value The value to set for the option.
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*/
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public function setOption($option, $value)
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public final function setOption($option, $value)
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{
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$this->_options[$option] = $value;
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}
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@@ -154,14 +155,14 @@ class ISO14496_Box
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*
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* @return integer
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*/
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public function getOffset() { return $this->_offset; }
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public final function getOffset() { return $this->_offset; }
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/**
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* Sets the file offset where the box starts.
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*
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* @param integer $offset The file offset to box start.
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*/
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public function setOffset($offset) { $this->_offset = $offset; }
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public final function setOffset($offset) { $this->_offset = $offset; }
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/**
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* Returns the box size in bytes, including the size and type header,
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@@ -169,7 +170,7 @@ class ISO14496_Box
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*
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* @return integer
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*/
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public function getSize() { return $this->_size; }
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public final function getSize() { return $this->_size; }
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/**
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* Sets the box size. The size must include the size and type header,
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@@ -179,7 +180,7 @@ class ISO14496_Box
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*
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* @param integer $size The box size.
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*/
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public function setSize($size)
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public final function setSize($size)
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{
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if ($this->_parent !== null)
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$this->_parent->setSize
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@@ -193,21 +194,21 @@ class ISO14496_Box
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*
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* @return string
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*/
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public function getType() { return $this->_type; }
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public final function getType() { return $this->_type; }
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/**
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* Sets the box type.
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*
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* @param string $type The box type.
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*/
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public function setType($type) { $this->_type = $type; }
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public final function setType($type) { $this->_type = $type; }
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/**
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* Returns the parent box containing this box.
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*
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* @return ISO14496_Box
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*/
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public function getParent() { return $this->_parent; }
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public final function getParent() { return $this->_parent; }
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/**
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* Sets the parent containing box.
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@@ -221,21 +222,21 @@ class ISO14496_Box
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*
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* @return boolean
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*/
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public function isContainer() { return $this->_container; }
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public final function isContainer() { return $this->_container; }
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/**
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* Returns a boolean value corresponding to whether the box is a container.
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*
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* @return boolean
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*/
|
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public function getContainer() { return $this->_container; }
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public final function getContainer() { return $this->_container; }
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|
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/**
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* Sets whether the box is a container.
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*
|
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* @param boolean $container Whether the box is a container.
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*/
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protected function setContainer($container)
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protected final function setContainer($container)
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{
|
||||
$this->_container = $container;
|
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}
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@@ -245,7 +246,7 @@ class ISO14496_Box
|
||||
*
|
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* @todo Does not parse iTunes internal ---- boxes.
|
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*/
|
||||
protected function constructBoxes($defaultclassname = "ISO14496_Box")
|
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protected final function constructBoxes($defaultclassname = "ISO14496_Box")
|
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{
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||||
$base = $this->getOption("base", "");
|
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if ($this->getType() != "file")
|
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@@ -295,7 +296,7 @@ class ISO14496_Box
|
||||
* @return boolean
|
||||
* @throws ISO14496_Exception if called on a non-container box
|
||||
*/
|
||||
public function hasBox($identifier)
|
||||
public final function hasBox($identifier)
|
||||
{
|
||||
if (!$this->isContainer())
|
||||
throw new ISO14496_Exception("Box not a container");
|
||||
@@ -309,7 +310,7 @@ class ISO14496_Box
|
||||
* @return Array
|
||||
* @throws ISO14496_Exception if called on a non-container box
|
||||
*/
|
||||
public function getBoxes()
|
||||
public final function getBoxes()
|
||||
{
|
||||
if (!$this->isContainer())
|
||||
throw new ISO14496_Exception("Box not a container");
|
||||
@@ -331,7 +332,7 @@ class ISO14496_Box
|
||||
* @return Array
|
||||
* @throws ISO14496_Exception if called on a non-container box
|
||||
*/
|
||||
public function getBoxesByIdentifier($identifier)
|
||||
public final function getBoxesByIdentifier($identifier)
|
||||
{
|
||||
if (!$this->isContainer())
|
||||
throw new ISO14496_Exception("Box not a container");
|
||||
@@ -351,7 +352,7 @@ class ISO14496_Box
|
||||
* @param ISO14496_Box The box to add
|
||||
* @return ISO14496_Box
|
||||
*/
|
||||
public function addBox($box)
|
||||
public final function addBox($box)
|
||||
{
|
||||
$box->setParent($this);
|
||||
$box->setOptions($this->_options);
|
||||
|
||||
@@ -32,7 +32,7 @@
|
||||
* @subpackage MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: MPEG.php 1 2008-07-06 10:43:41Z rbutterfield $
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
@@ -58,7 +58,7 @@ require_once("MPEG/ABS/Frame.php");
|
||||
* @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: 1 $
|
||||
* @version $Rev$
|
||||
* @todo Implement validation routines
|
||||
*/
|
||||
final class MPEG_ABS extends MPEG_ABS_Object
|
||||
|
||||
@@ -2,7 +2,8 @@
|
||||
/**
|
||||
* PHP Reader Library
|
||||
*
|
||||
* Copyright (c) 2008 The PHP Reader Project Workgroup. All rights reserved.
|
||||
* Copyright (c) 2008-2009 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:
|
||||
@@ -30,9 +31,9 @@
|
||||
*
|
||||
* @package php-reader
|
||||
* @subpackage MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: Frame.php 1 2008-07-06 10:43:41Z rbutterfield $
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
@@ -53,11 +54,11 @@ require_once("MPEG/ABS/Object.php");
|
||||
* @subpackage MPEG
|
||||
* @author Ryan Butterfield <buttza@gmail.com>
|
||||
* @author Sven Vollbehr <svollbehr@gmail.com>
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Rev: 1 $
|
||||
* @version $Rev$
|
||||
*/
|
||||
class MPEG_ABS_Frame extends MPEG_ABS_Object
|
||||
final class MPEG_ABS_Frame extends MPEG_ABS_Object
|
||||
{
|
||||
/**
|
||||
* The bitrate lookup table. The table has the following format.
|
||||
|
||||
@@ -58,7 +58,7 @@ require_once("MPEG/ABS/Object.php");
|
||||
* @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: 1 $
|
||||
* @version $Rev$
|
||||
*/
|
||||
class MPEG_ABS_LAMEHeader extends MPEG_ABS_Object
|
||||
{
|
||||
|
||||
@@ -1,167 +1,167 @@
|
||||
<?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 MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: Object.php 107 2008-08-03 19:09:16Z svollbehr $
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
require_once("MPEG/Object.php");
|
||||
/**#@-*/
|
||||
|
||||
/**
|
||||
* The base class for all MPEG Audio Bit Stream objects.
|
||||
*
|
||||
* @package php-reader
|
||||
* @subpackage MPEG
|
||||
* @author Ryan Butterfield <buttza@gmail.com>
|
||||
* @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 $
|
||||
*/
|
||||
abstract class MPEG_ABS_Object extends MPEG_Object
|
||||
{
|
||||
/** @var integer */
|
||||
const VERSION_ONE = 3;
|
||||
|
||||
/** @var integer */
|
||||
const VERSION_TWO = 2;
|
||||
|
||||
/** @var integer */
|
||||
const VERSION_TWO_FIVE = 0;
|
||||
|
||||
/** @var integer */
|
||||
const SAMPLING_FREQUENCY_LOW = 0;
|
||||
|
||||
/** @var integer */
|
||||
const SAMPLING_FREQUENCY_HIGH = 1;
|
||||
|
||||
/** @var integer */
|
||||
const LAYER_ONE = 3;
|
||||
|
||||
/** @var integer */
|
||||
const LAYER_TWO = 2;
|
||||
|
||||
/** @var integer */
|
||||
const LAYER_THREE = 1;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_STEREO = 0;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_JOINT_STEREO = 1;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_DUAL_CHANNEL = 2;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_SINGLE_CHANNEL = 3;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_4_TO_31 = 0;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_8_TO_31 = 1;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_12_TO_31 = 2;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_16_TO_31 = 3;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISOFF_MSSOFF = 0;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISON_MSSOFF = 1;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISOFF_MSSON = 2;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISON_MSSON = 3;
|
||||
|
||||
/** @var integer */
|
||||
const EMPHASIS_NONE = 0;
|
||||
|
||||
/** @var integer */
|
||||
const EMPHASIS_50_15 = 1;
|
||||
|
||||
/** @var integer */
|
||||
const EMPHASIS_CCIT_J17 = 3;
|
||||
|
||||
|
||||
/**
|
||||
* Layer III side information size lookup table. The table has the following
|
||||
* format.
|
||||
*
|
||||
* <code>
|
||||
* array (
|
||||
* SAMPLING_FREQUENCY_HIGH | SAMPLING_FREQUENCY_LOW => array (
|
||||
* CHANNEL_STEREO | CHANNEL_JOINT_STEREO | CHANNEL_DUAL_CHANNEL |
|
||||
* CHANNEL_SINGLE_CHANNEL => <size>
|
||||
* )
|
||||
* )
|
||||
* </code>
|
||||
*
|
||||
*
|
||||
* @var Array
|
||||
*/
|
||||
protected static $sidesizes = array(
|
||||
self::SAMPLING_FREQUENCY_HIGH => array(
|
||||
self::CHANNEL_STEREO => 32,
|
||||
self::CHANNEL_JOINT_STEREO => 32,
|
||||
self::CHANNEL_DUAL_CHANNEL => 32,
|
||||
self::CHANNEL_SINGLE_CHANNEL => 17
|
||||
),
|
||||
self::SAMPLING_FREQUENCY_LOW => array(
|
||||
self::CHANNEL_STEREO => 17,
|
||||
self::CHANNEL_JOINT_STEREO => 17,
|
||||
self::CHANNEL_DUAL_CHANNEL => 17,
|
||||
self::CHANNEL_SINGLE_CHANNEL => 9
|
||||
)
|
||||
);
|
||||
|
||||
|
||||
/**
|
||||
* Constructs the class with given parameters.
|
||||
*
|
||||
* @param Reader $reader The reader object.
|
||||
* @param Array $options The options array.
|
||||
*/
|
||||
public function __construct($reader, &$options = array())
|
||||
{
|
||||
parent::__construct($reader, $options);
|
||||
}
|
||||
}
|
||||
<?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 MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
require_once("MPEG/Object.php");
|
||||
/**#@-*/
|
||||
|
||||
/**
|
||||
* The base class for all MPEG Audio Bit Stream objects.
|
||||
*
|
||||
* @package php-reader
|
||||
* @subpackage MPEG
|
||||
* @author Ryan Butterfield <buttza@gmail.com>
|
||||
* @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 $Rev$
|
||||
*/
|
||||
abstract class MPEG_ABS_Object extends MPEG_Object
|
||||
{
|
||||
/** @var integer */
|
||||
const VERSION_ONE = 3;
|
||||
|
||||
/** @var integer */
|
||||
const VERSION_TWO = 2;
|
||||
|
||||
/** @var integer */
|
||||
const VERSION_TWO_FIVE = 0;
|
||||
|
||||
/** @var integer */
|
||||
const SAMPLING_FREQUENCY_LOW = 0;
|
||||
|
||||
/** @var integer */
|
||||
const SAMPLING_FREQUENCY_HIGH = 1;
|
||||
|
||||
/** @var integer */
|
||||
const LAYER_ONE = 3;
|
||||
|
||||
/** @var integer */
|
||||
const LAYER_TWO = 2;
|
||||
|
||||
/** @var integer */
|
||||
const LAYER_THREE = 1;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_STEREO = 0;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_JOINT_STEREO = 1;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_DUAL_CHANNEL = 2;
|
||||
|
||||
/** @var integer */
|
||||
const CHANNEL_SINGLE_CHANNEL = 3;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_4_TO_31 = 0;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_8_TO_31 = 1;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_12_TO_31 = 2;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_SUBBAND_16_TO_31 = 3;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISOFF_MSSOFF = 0;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISON_MSSOFF = 1;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISOFF_MSSON = 2;
|
||||
|
||||
/** @var integer */
|
||||
const MODE_ISON_MSSON = 3;
|
||||
|
||||
/** @var integer */
|
||||
const EMPHASIS_NONE = 0;
|
||||
|
||||
/** @var integer */
|
||||
const EMPHASIS_50_15 = 1;
|
||||
|
||||
/** @var integer */
|
||||
const EMPHASIS_CCIT_J17 = 3;
|
||||
|
||||
|
||||
/**
|
||||
* Layer III side information size lookup table. The table has the following
|
||||
* format.
|
||||
*
|
||||
* <code>
|
||||
* array (
|
||||
* SAMPLING_FREQUENCY_HIGH | SAMPLING_FREQUENCY_LOW => array (
|
||||
* CHANNEL_STEREO | CHANNEL_JOINT_STEREO | CHANNEL_DUAL_CHANNEL |
|
||||
* CHANNEL_SINGLE_CHANNEL => <size>
|
||||
* )
|
||||
* )
|
||||
* </code>
|
||||
*
|
||||
*
|
||||
* @var Array
|
||||
*/
|
||||
protected static $sidesizes = array(
|
||||
self::SAMPLING_FREQUENCY_HIGH => array(
|
||||
self::CHANNEL_STEREO => 32,
|
||||
self::CHANNEL_JOINT_STEREO => 32,
|
||||
self::CHANNEL_DUAL_CHANNEL => 32,
|
||||
self::CHANNEL_SINGLE_CHANNEL => 17
|
||||
),
|
||||
self::SAMPLING_FREQUENCY_LOW => array(
|
||||
self::CHANNEL_STEREO => 17,
|
||||
self::CHANNEL_JOINT_STEREO => 17,
|
||||
self::CHANNEL_DUAL_CHANNEL => 17,
|
||||
self::CHANNEL_SINGLE_CHANNEL => 9
|
||||
)
|
||||
);
|
||||
|
||||
|
||||
/**
|
||||
* Constructs the class with given parameters.
|
||||
*
|
||||
* @param Reader $reader The reader object.
|
||||
* @param Array $options The options array.
|
||||
*/
|
||||
public function __construct($reader, &$options = array())
|
||||
{
|
||||
parent::__construct($reader, $options);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -32,7 +32,7 @@
|
||||
* @subpackage MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: VBRIHeader.php 1 2008-07-19 10:43:41Z rbutterfield $
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
@@ -51,7 +51,7 @@ require_once("MPEG/ABS/Object.php");
|
||||
* @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: 1 $
|
||||
* @version $Rev$
|
||||
*/
|
||||
class MPEG_ABS_VBRIHeader extends MPEG_ABS_Object
|
||||
{
|
||||
|
||||
@@ -32,7 +32,7 @@
|
||||
* @subpackage MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: XINGHeader.php 1 2008-07-06 10:43:41Z rbutterfield $
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
@@ -51,7 +51,7 @@ require_once("MPEG/ABS/Object.php");
|
||||
* @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: 1 $
|
||||
* @version $Rev$
|
||||
*/
|
||||
class MPEG_ABS_XINGHeader extends MPEG_ABS_Object
|
||||
{
|
||||
|
||||
@@ -1,51 +1,51 @@
|
||||
<?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 MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: Exception.php 85 2008-04-23 20:21:36Z svollbehr $
|
||||
*/
|
||||
|
||||
/**
|
||||
* The MPEG_Exception is thrown whenever an error occurs within the MPEG family
|
||||
* of classes.
|
||||
*
|
||||
* @package php-reader
|
||||
* @subpackage MPEG
|
||||
* @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: 85 $
|
||||
*/
|
||||
class MPEG_Exception extends Exception
|
||||
{
|
||||
}
|
||||
<?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 MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**
|
||||
* The MPEG_Exception is thrown whenever an error occurs within the MPEG family
|
||||
* of classes.
|
||||
*
|
||||
* @package php-reader
|
||||
* @subpackage MPEG
|
||||
* @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 $Rev$
|
||||
*/
|
||||
class MPEG_Exception extends Exception
|
||||
{
|
||||
}
|
||||
|
||||
@@ -1,246 +1,247 @@
|
||||
<?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 MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: Object.php 107 2008-08-03 19:09:16Z svollbehr $
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
require_once("Reader.php");
|
||||
require_once("MPEG/Exception.php");
|
||||
/**#@-*/
|
||||
|
||||
/**
|
||||
* The base class for all MPEG objects.
|
||||
*
|
||||
* @package php-reader
|
||||
* @subpackage MPEG
|
||||
* @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 $
|
||||
*/
|
||||
abstract class MPEG_Object
|
||||
{
|
||||
/**
|
||||
* The reader object.
|
||||
*
|
||||
* @var Reader
|
||||
*/
|
||||
protected $_reader;
|
||||
|
||||
/**
|
||||
* The options array.
|
||||
*
|
||||
* @var Array
|
||||
*/
|
||||
private $_options;
|
||||
|
||||
/**
|
||||
* Constructs the class with given parameters.
|
||||
*
|
||||
* @param Reader $reader The reader object.
|
||||
* @param Array $options The options array.
|
||||
*/
|
||||
public function __construct($reader, &$options = array())
|
||||
{
|
||||
$this->_reader = $reader;
|
||||
$this->_options = &$options;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the options array.
|
||||
*
|
||||
* @return Array
|
||||
*/
|
||||
public function getOptions() { return $this->_options; }
|
||||
|
||||
/**
|
||||
* Returns the given option value, or the default value if the option is not
|
||||
* defined.
|
||||
*
|
||||
* @param string $option The name of the option.
|
||||
* @param mixed $defaultValue The default value to be returned.
|
||||
*/
|
||||
public function getOption($option, $defaultValue = false)
|
||||
{
|
||||
if (isset($this->_options[$option]))
|
||||
return $this->_options[$option];
|
||||
return $defaultValue;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the options array. See {@link MPEG} class for available options.
|
||||
*
|
||||
* @param Array $options The options array.
|
||||
*/
|
||||
public function setOptions(&$options) { $this->_options = &$options; }
|
||||
|
||||
/**
|
||||
* Sets the given option the given value.
|
||||
*
|
||||
* @param string $option The name of the option.
|
||||
* @param mixed $value The value to set for the option.
|
||||
*/
|
||||
public function setOption($option, $value)
|
||||
{
|
||||
$this->_options[$option] = $value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds and returns the next start code. Start codes are reserved bit
|
||||
* patterns in the video file that do not otherwise occur in the video stream.
|
||||
*
|
||||
* All start codes are byte aligned and start with the following byte
|
||||
* sequence: 0x00 0x00 0x01.
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
protected function nextStartCode()
|
||||
{
|
||||
$buffer = " ";
|
||||
for ($i = 0; $i < 4; $i++) {
|
||||
$start = $this->_reader->getOffset();
|
||||
if (($buffer = substr($buffer, -4) . $this->_reader->read(512)) === false)
|
||||
throw new MPEG_Exception("Invalid data");
|
||||
$limit = strlen($buffer);
|
||||
$pos = 0;
|
||||
while ($pos < $limit - 3) {
|
||||
if (Transform::fromUInt8($buffer{$pos++}) == 0 &&
|
||||
Transform::fromUInt16BE(substr($buffer, $pos, 2)) == 1) {
|
||||
if (($pos += 2) < $limit - 2)
|
||||
if (Transform::fromUInt16BE(substr($buffer, $pos, 2)) == 0 &&
|
||||
Transform::fromUInt8($buffer{$pos + 2}) == 1)
|
||||
continue;
|
||||
$this->_reader->setOffset($start + $pos - 3);
|
||||
return Transform::fromUInt8($buffer{$pos++}) & 0xff | 0x100;
|
||||
}
|
||||
}
|
||||
$this->_reader->setOffset($start + $limit);
|
||||
}
|
||||
|
||||
/* No start code found within 2048 bytes, the maximum size of a pack */
|
||||
throw new MPEG_Exception("Invalid data");
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds and returns the previous start code. Start codes are reserved bit
|
||||
* patterns in the video file that do not otherwise occur in the video stream.
|
||||
*
|
||||
* All start codes are byte aligned and start with the following byte
|
||||
* sequence: 0x00 0x00 0x01.
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
protected function prevStartCode()
|
||||
{
|
||||
$buffer = " ";
|
||||
$start;
|
||||
$position = $this->_reader->getOffset();
|
||||
while ($position > 0) {
|
||||
$start = 0;
|
||||
$position = $position - 512;
|
||||
if ($position < 0)
|
||||
throw new MPEG_Exception("Invalid data");
|
||||
$this->_reader->setOffset($position);
|
||||
$buffer = $this->_reader->read(512) . substr($buffer, 0, 4);
|
||||
$pos = 512 - 8;
|
||||
while ($pos > 3) {
|
||||
if (Transform::fromUInt8($buffer{$pos}) == 0 &&
|
||||
Transform::fromUInt16BE(substr($buffer, $pos + 1, 2)) == 1) {
|
||||
|
||||
if ($pos + 2 < 512 &&
|
||||
Transform::fromUInt16BE(substr($buffer, $pos + 3, 2)) == 0 &&
|
||||
Transform::fromUInt8($buffer{$pos + 5}) == 1) {
|
||||
$pos --;
|
||||
continue;
|
||||
}
|
||||
$this->_reader->setOffset($position + $pos);
|
||||
return Transform::fromUInt8($buffer{$pos + 3}) & 0xff | 0x100;
|
||||
}
|
||||
$pos--;
|
||||
}
|
||||
$this->_reader->setOffset($position = $position + 3);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Formats given time in seconds into the form of
|
||||
* [hours:]minutes:seconds.milliseconds.
|
||||
*
|
||||
* @param integer $seconds The time to format, in seconds
|
||||
* @return string
|
||||
*/
|
||||
protected function formatTime($seconds)
|
||||
{
|
||||
$milliseconds = round(($seconds - floor($seconds)) * 1000);
|
||||
$seconds = floor($seconds);
|
||||
$minutes = floor($seconds / 60);
|
||||
$hours = floor($minutes / 60);
|
||||
return
|
||||
($minutes > 0 ?
|
||||
($hours > 0 ? $hours . ":" .
|
||||
str_pad($minutes % 60, 2, "0", STR_PAD_LEFT) : $minutes % 60) . ":" .
|
||||
str_pad($seconds % 60, 2, "0", STR_PAD_LEFT) : $seconds % 60) . "." .
|
||||
str_pad($milliseconds, 3, "0", STR_PAD_LEFT);
|
||||
}
|
||||
|
||||
/**
|
||||
* Magic function so that $obj->value will work.
|
||||
*
|
||||
* @param string $name The field name.
|
||||
* @return mixed
|
||||
*/
|
||||
public function __get($name)
|
||||
{
|
||||
if (method_exists($this, "get" . ucfirst($name)))
|
||||
return call_user_func(array($this, "get" . ucfirst($name)));
|
||||
else throw new MPEG_Exception("Unknown field: " . $name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Magic function so that assignments with $obj->value will work.
|
||||
*
|
||||
* @param string $name The field name.
|
||||
* @param string $value The field value.
|
||||
* @return mixed
|
||||
*/
|
||||
public function __set($name, $value)
|
||||
{
|
||||
if (method_exists($this, "set" . ucfirst($name)))
|
||||
call_user_func
|
||||
(array($this, "set" . ucfirst($name)), $value);
|
||||
else throw new MPEG_Exception("Unknown field: " . $name);
|
||||
}
|
||||
}
|
||||
<?php
|
||||
/**
|
||||
* PHP Reader Library
|
||||
*
|
||||
* Copyright (c) 2008-2009 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 MPEG
|
||||
* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
require_once("Reader.php");
|
||||
require_once("MPEG/Exception.php");
|
||||
/**#@-*/
|
||||
|
||||
/**
|
||||
* The base class for all MPEG objects.
|
||||
*
|
||||
* @package php-reader
|
||||
* @subpackage MPEG
|
||||
* @author Sven Vollbehr <svollbehr@gmail.com>
|
||||
* @copyright Copyright (c) 2008-2009 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Rev$
|
||||
*/
|
||||
abstract class MPEG_Object
|
||||
{
|
||||
/**
|
||||
* The reader object.
|
||||
*
|
||||
* @var Reader
|
||||
*/
|
||||
protected $_reader;
|
||||
|
||||
/**
|
||||
* The options array.
|
||||
*
|
||||
* @var Array
|
||||
*/
|
||||
private $_options;
|
||||
|
||||
/**
|
||||
* Constructs the class with given parameters.
|
||||
*
|
||||
* @param Reader $reader The reader object.
|
||||
* @param Array $options The options array.
|
||||
*/
|
||||
public function __construct($reader, &$options = array())
|
||||
{
|
||||
$this->_reader = $reader;
|
||||
$this->_options = &$options;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the options array.
|
||||
*
|
||||
* @return Array
|
||||
*/
|
||||
public final function getOptions() { return $this->_options; }
|
||||
|
||||
/**
|
||||
* Returns the given option value, or the default value if the option is not
|
||||
* defined.
|
||||
*
|
||||
* @param string $option The name of the option.
|
||||
* @param mixed $defaultValue The default value to be returned.
|
||||
*/
|
||||
public final function getOption($option, $defaultValue = false)
|
||||
{
|
||||
if (isset($this->_options[$option]))
|
||||
return $this->_options[$option];
|
||||
return $defaultValue;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the options array. See {@link MPEG} class for available options.
|
||||
*
|
||||
* @param Array $options The options array.
|
||||
*/
|
||||
public final function setOptions(&$options) { $this->_options = &$options; }
|
||||
|
||||
/**
|
||||
* Sets the given option the given value.
|
||||
*
|
||||
* @param string $option The name of the option.
|
||||
* @param mixed $value The value to set for the option.
|
||||
*/
|
||||
public final function setOption($option, $value)
|
||||
{
|
||||
$this->_options[$option] = $value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds and returns the next start code. Start codes are reserved bit
|
||||
* patterns in the video file that do not otherwise occur in the video stream.
|
||||
*
|
||||
* All start codes are byte aligned and start with the following byte
|
||||
* sequence: 0x00 0x00 0x01.
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
protected final function nextStartCode()
|
||||
{
|
||||
$buffer = " ";
|
||||
for ($i = 0; $i < 4; $i++) {
|
||||
$start = $this->_reader->getOffset();
|
||||
if (($buffer = substr($buffer, -4) . $this->_reader->read(512)) === false)
|
||||
throw new MPEG_Exception("Invalid data");
|
||||
$limit = strlen($buffer);
|
||||
$pos = 0;
|
||||
while ($pos < $limit - 3) {
|
||||
if (Transform::fromUInt8($buffer{$pos++}) == 0 &&
|
||||
Transform::fromUInt16BE(substr($buffer, $pos, 2)) == 1) {
|
||||
if (($pos += 2) < $limit - 2)
|
||||
if (Transform::fromUInt16BE(substr($buffer, $pos, 2)) == 0 &&
|
||||
Transform::fromUInt8($buffer{$pos + 2}) == 1)
|
||||
continue;
|
||||
$this->_reader->setOffset($start + $pos - 3);
|
||||
return Transform::fromUInt8($buffer{$pos++}) & 0xff | 0x100;
|
||||
}
|
||||
}
|
||||
$this->_reader->setOffset($start + $limit);
|
||||
}
|
||||
|
||||
/* No start code found within 2048 bytes, the maximum size of a pack */
|
||||
throw new MPEG_Exception("Invalid data");
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds and returns the previous start code. Start codes are reserved bit
|
||||
* patterns in the video file that do not otherwise occur in the video stream.
|
||||
*
|
||||
* All start codes are byte aligned and start with the following byte
|
||||
* sequence: 0x00 0x00 0x01.
|
||||
*
|
||||
* @return integer
|
||||
*/
|
||||
protected final function prevStartCode()
|
||||
{
|
||||
$buffer = " ";
|
||||
$start;
|
||||
$position = $this->_reader->getOffset();
|
||||
while ($position > 0) {
|
||||
$start = 0;
|
||||
$position = $position - 512;
|
||||
if ($position < 0)
|
||||
throw new MPEG_Exception("Invalid data");
|
||||
$this->_reader->setOffset($position);
|
||||
$buffer = $this->_reader->read(512) . substr($buffer, 0, 4);
|
||||
$pos = 512 - 8;
|
||||
while ($pos > 3) {
|
||||
if (Transform::fromUInt8($buffer{$pos}) == 0 &&
|
||||
Transform::fromUInt16BE(substr($buffer, $pos + 1, 2)) == 1) {
|
||||
|
||||
if ($pos + 2 < 512 &&
|
||||
Transform::fromUInt16BE(substr($buffer, $pos + 3, 2)) == 0 &&
|
||||
Transform::fromUInt8($buffer{$pos + 5}) == 1) {
|
||||
$pos --;
|
||||
continue;
|
||||
}
|
||||
$this->_reader->setOffset($position + $pos);
|
||||
return Transform::fromUInt8($buffer{$pos + 3}) & 0xff | 0x100;
|
||||
}
|
||||
$pos--;
|
||||
}
|
||||
$this->_reader->setOffset($position = $position + 3);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Formats given time in seconds into the form of
|
||||
* [hours:]minutes:seconds.milliseconds.
|
||||
*
|
||||
* @param integer $seconds The time to format, in seconds
|
||||
* @return string
|
||||
*/
|
||||
protected final function formatTime($seconds)
|
||||
{
|
||||
$milliseconds = round(($seconds - floor($seconds)) * 1000);
|
||||
$seconds = floor($seconds);
|
||||
$minutes = floor($seconds / 60);
|
||||
$hours = floor($minutes / 60);
|
||||
return
|
||||
($minutes > 0 ?
|
||||
($hours > 0 ? $hours . ":" .
|
||||
str_pad($minutes % 60, 2, "0", STR_PAD_LEFT) : $minutes % 60) . ":" .
|
||||
str_pad($seconds % 60, 2, "0", STR_PAD_LEFT) : $seconds % 60) . "." .
|
||||
str_pad($milliseconds, 3, "0", STR_PAD_LEFT);
|
||||
}
|
||||
|
||||
/**
|
||||
* Magic function so that $obj->value will work.
|
||||
*
|
||||
* @param string $name The field name.
|
||||
* @return mixed
|
||||
*/
|
||||
public function __get($name)
|
||||
{
|
||||
if (method_exists($this, "get" . ucfirst($name)))
|
||||
return call_user_func(array($this, "get" . ucfirst($name)));
|
||||
else throw new MPEG_Exception("Unknown field: " . $name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Magic function so that assignments with $obj->value will work.
|
||||
*
|
||||
* @param string $name The field name.
|
||||
* @param string $value The field value.
|
||||
* @return mixed
|
||||
*/
|
||||
public function __set($name, $value)
|
||||
{
|
||||
if (method_exists($this, "set" . ucfirst($name)))
|
||||
call_user_func
|
||||
(array($this, "set" . ucfirst($name)), $value);
|
||||
else throw new MPEG_Exception("Unknown field: " . $name);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -32,7 +32,7 @@
|
||||
* @subpackage MPEG
|
||||
* @copyright Copyright (c) 2008 The PHP Reader Project Workgroup
|
||||
* @license http://code.google.com/p/php-reader/wiki/License New BSD License
|
||||
* @version $Id: MPEG.php 1 2008-07-06 10:43:41Z rbutterfield $
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
/**#@+ @ignore */
|
||||
@@ -57,7 +57,7 @@ require_once("MPEG/Object.php");
|
||||
* @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: 1 $
|
||||
* @version $Rev$
|
||||
* @todo Full implementation
|
||||
*/
|
||||
final class MPEG_PS extends MPEG_Object
|
||||
|
||||
Reference in New Issue
Block a user