Файл: vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/Filters/AdvancedMedia/XStackFilter.php
Строк: 75
<?php
namespace FFMpegFiltersAdvancedMedia;
use FFMpegMediaAdvancedMedia;
/**
* "xstack" filter.
* This filter helps you to create a collage from the given videos.
* This filter is supported starting from 4.1 ffmpeg version.
* (On early versions you can use combinations of hstack and vstack filters).
*
* @see https://ffmpeg.org/ffmpeg-filters.html#xstack
*/
class XStackFilter extends AbstractComplexFilter
{
public const LAYOUT_2X2 = '0_0|0_h0|w0_0|w0_h0';
public const LAYOUT_1X4 = '0_0|0_h0|0_h0+h1|0_h0+h1+h2';
public const LAYOUT_3X3 = '0_0|0_h0|0_h0+h1|w0_0|w0_h0|w0_h0+h1|w0+w3_0|w0+w3_h0|w0+w3_h0+h1';
public const LAYOUT_4X4 = '0_0|0_h0|0_h0+h1|0_h0+h1+h2|w0_0|w0_h0|w0_h0+h1|w0_h0+h1+h2|w0+w4_0|w0+w4_h0|w0+w4_h0+h1|w0+w4_h0+h1+h2|w0+w4+w8_0|w0+w4+w8_h0|w0+w4+w8_h0+h1|w0+w4+w8_h0+h1+h2';
/**
* @var string
*/
private $layout;
/**
* @var int
*/
private $inputsCount;
/**
* CustomComplexFilter constructor.
*
* @param string $layout
* @param int $inputsCount
* @param int $priority
*/
public function __construct($layout, $inputsCount, $priority = 0)
{
parent::__construct($priority);
$this->layout = $layout;
$this->inputsCount = $inputsCount;
}
/**
* @param int $count
*
* @return string
*/
public static function getInputByCount($count)
{
$result = '';
for ($i = 0; $i < $count; ++$i) {
$result .= '['.$i.':v]';
}
return $result;
}
/**
* Get name of the filter.
*
* @return string
*/
public function getName()
{
return 'xstack';
}
/**
* Get minimal version of ffmpeg starting with which this filter is supported.
*
* @return string
*/
public function getMinimalFFMpegVersion()
{
return '4.1';
}
/**
* {@inheritdoc}
*/
public function applyComplex(AdvancedMedia $media)
{
return [
'-filter_complex',
$this->getName().$this->buildFilterOptions([
'inputs' => $this->inputsCount,
'layout' => $this->layout,
]),
];
}
}