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<?php
declare(strict_types=1);
namespace Soluble\MediaTools\Video\Filter;
use Soluble\MediaTools\Video\Filter\Type\FFMpegVideoFilterInterface;
class SelectFilter implements FFMpegVideoFilterInterface
{
/**
* @var null|string
*/
private $expression;
* Select filter.
*
* @see https://ffmpeg.org/ffmpeg-filters.html#select_002c-aselect
* @param string|null $expression ffmpeg selected expression
public function __construct(
string $expression = null
) {
$this->expression = $expression;
}
public function getFFmpegCLIValue(): string
return sprintf(
'"select=%s"',
str_replace('"', '\"', $this->expression ?? '')
);
soluble-io /
soluble-mediatools
