File size: 2.18Kb
<?php
/*
* This file is part of PHP-FFmpeg.
*
* (c) Strime <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace FFMpeg\Filters\Video;
use FFMpeg\Coordinate\Dimension;
use FFMpeg\Filters\AdvancedMedia\ComplexCompatibleFilter;
use FFMpeg\Format\VideoInterface;
use FFMpeg\Media\AdvancedMedia;
use FFMpeg\Media\Video;
class PadFilter implements VideoFilterInterface, ComplexCompatibleFilter
{
/** @var Dimension */
private $dimension;
/** @var int */
private $priority;
public function __construct(Dimension $dimension, $priority = 0)
{
$this->dimension = $dimension;
$this->priority = $priority;
}
/**
* {@inheritdoc}
*/
public function getPriority()
{
return $this->priority;
}
/**
* @return Dimension
*/
public function getDimension()
{
return $this->dimension;
}
/**
* Get name of the filter.
*
* @return string
*/
public function getName()
{
return 'pad';
}
/**
* Get minimal version of ffmpeg starting with which this filter is supported.
*
* @return string
*/
public function getMinimalFFMpegVersion()
{
return '0.4.9';
}
/**
* {@inheritdoc}
*/
public function apply(Video $video, VideoInterface $format)
{
return $this->getCommands();
}
/**
* {@inheritdoc}
*/
public function applyComplex(AdvancedMedia $media)
{
return $this->getCommands();
}
/**
* @return array
*/
protected function getCommands()
{
$commands = array();
$commands[] = '-vf';
$commands[] = 'scale=iw*min(' . $this->dimension->getWidth() . '/iw\,' . $this->dimension->getHeight()
. '/ih):ih*min(' . $this->dimension->getWidth() . '/iw\,' . $this->dimension->getHeight() . '/ih),pad='
. $this->dimension->getWidth() . ':' . $this->dimension->getHeight() . ':(' . $this->dimension->getWidth()
. '-iw)/2:(' . $this->dimension->getHeight() . '-ih)/2';
return $commands;
}
}