<?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;
/**
* This class provides generic data parsing for the output from FFmpeg.
*
* @access public
* @author Oliver Lillie
* @author Jorrit Schippers
* @package default
*/
class AnimatedGifTranscoderConvert extends AnimatedGifTranscoderAbstract
{
/**
* Saves the animated gif.
*
* @access public
* @author Oliver Lillie
* @param string $save_path
* @param float $frame_delay The delay of each frame.
* @return Image
*/
public function save($save_path, $frame_delay=0.1)
{
parent::save($save_path, $frame_delay);
// build the gifsicle process
$process = new ProcessBuilder('convert', $this->_config);
// set the frame duration
$process->add('-delay')->add($frame_delay*100);
$process->add('-loop')->add($this->_loop_count === AnimatedGif::UNLIMITED_LOOPS ? '0' : $this->_loop_count+1);
// add in all the frames
foreach ($this->_frames as $path)
{
$process->add($path);
}
// add the output path
$process->add($save_path);
// execute the process.
$exec = $process->getExecBuffer();
$exec->setBlocking(true)
->execute();
// check for any gifsicle errors
if($exec->hasError() === true)
{
throw new FfmpegProcessPostProcessException('AnimatedGif save using `convert` "'.$save_path.'" failed. Any additional convert message follows:
'.$exec->getBuffer());
}
return new Image($save_path, $this->_config);
}
public static function available(Config $config)
{
if($config->convert === null)
{
return false;
}
try
{
Binary::locate($config->convert);
return true;
}
catch(Excetion $e)
{
return false;
}
}
}
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