<?php
/**
* This file is part of the PHP Video Toolkit v2 package.
*
* @author Oliver Lillie (aka buggedcom) <publicmail@buggedcom.co.uk>
* @license Dual licensed under MIT and GPLv2
* @copyright Copyright (c) 2008-2014 Oliver Lillie <http://www.buggedcom.co.uk>
* @package PHPVideoToolkit V2
* @version 2.1.1
* @uses ffmpeg http://ffmpeg.sourceforge.net/
*/
namespace PHPVideoToolkit;
/**
* @access public
* @author Oliver Lillie
* @author Jorrit Schippers
* @package default
*/
class Config
{
/**
* PlaceHolder for self (Singlton)
*
* @var App_Config
*/
public static $instance = null;
protected $_ffmpeg;
protected $_ffprobe;
protected $_yamdi;
protected $_qtfaststart;
protected $_temp_directory;
protected $_gif_transcoder;
protected $_gifsicle;
protected $_convert;
protected $_php_exec_infinite_timelimit;
protected $_force_enable_qtfaststart;
protected $_force_enable_flv_meta;
/**
* Get the Instance of self
*
* @return App_Config
*/
public static function getInstance()
{
if(self::$instance === null)
{
self::$instance = new self;
}
return self::$instance;
}
/**
* Class Constructor
*
* @param array $config
* @access private
*/
public function __construct(array $options=array())
{
$default_options = array(
'ffmpeg' => 'ffmpeg',
'ffprobe' => 'ffprobe',
'yamdi' => null, //'yamdi', // http://yamdi.sourceforge.net/ for flv meta injection
'qtfaststart' => null, //'qt-faststart', // https://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide#qt-faststart for fast streaming of mp4/h264 files.
'temp_directory' => sys_get_temp_dir(),
'gif_transcoder' => null,
'gifsicle' => null,
'convert' => null,
'php_exec_infinite_timelimit' => true,
'force_enable_qtfaststart' => false,
'force_enable_flv_meta' => true,
);
$this->setConfig(array_merge($default_options, $options));
}
/**
* Set config options array
*
* @param array $options
* @access private
* @return App_Config
*/
private function setConfig(array $options=array())
{
foreach ($options as $key => $value)
{
$this->{$key} = $value;
}
return $this;
}
/**
* Magic method get
*
* This get's triggerd if there is a call made to an undefined property in
* the App_Config instance or subInstance, so we throw an Exception
*
* @param string $name
* @throws Exception
*/
public function __set($key, $value)
{
switch($key)
{
case 'ffmpeg' :
case 'ffprobe' :
case 'yamdi' :
case 'qtfaststart' :
case 'gifsicle' :
case 'convert' :
if($value !== null)
{
if(strpos($value, '/') !== 0)
{
try
{
$value = Binary::locate($value);
}
catch(BinaryLocateException $e)
{
throw new ConfigSetException('Unable to locate the '.$value.' binary. Please specify the full path instead.');
}
}
}
$this->{'_'.$key} = $value;
return;
case 'gif_transcoder' :
if(in_array($value, array('gifsicle', 'convert', 'php', null)) === false)
{
throw new ConfigSetException('Unrecognised gif transcoder engine.');
}
$this->{'_'.$key} = $value;
return;
case 'force_enable_qtfaststart' :
case 'php_exec_infinite_timelimit' :
case 'force_enable_flv_meta' :
if(in_array($value, array(true, false)) === false)
{
throw new ConfigSetException('Unrecognised '.$key.' value. It must be a boolean value, either true or false.');
}
$this->{'_'.$key} = $value;
return;
case 'temp_directory' :
$original_value = $value;
$value = realpath($value);
if(empty($value) === true || is_dir($value) === false)
{
throw new ConfigSetException('`temp_directory` "'.$original_value.'" does not exist or is not a directory.');
}
else if(is_readable($value) === false)
{
throw new ConfigSetException('`temp_directory` "'.$original_value.'" is not readable.');
}
else if(is_writable($value) === false)
{
throw new ConfigSetException('`temp_directory` "'.$original_value.'" is not writeable.');
}
$this->{'_'.$key} = $value;
return;
}
throw new ConfigSetException('Setting undefined configuration property: '.$key);
}
/**
* Magic method get
*
* This get's triggerd if there is a call made to an undefined property in
* the App_Config instance or subInstance, so we throw an Exception
*
* @param string $name
* @throws Exception
*/
public function __get($key)
{
if(isset($this->{'_'.$key}) === true)
{
return $this->{'_'.$key};
}
// TODO trigger error instead of just returning null
return null;
// throw new Exception('Call to undefined property: '.$name);
}
}
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