65 lines
1.3 KiB
PHP
65 lines
1.3 KiB
PHP
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<?php
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/*
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* This file is part of PHP-FFmpeg.
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*
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* (c) Alchemy <info@alchemy.fr>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace FFMpeg\FFProbe;
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use Doctrine\Common\Cache\Cache;
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use FFMpeg\Driver\FFProbeDriver;
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class OptionsTester implements OptionsTesterInterface
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{
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/** @var FFProbeDriver */
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private $ffprobe;
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/** @var Cache */
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private $cache;
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public function __construct(FFProbeDriver $ffprobe, Cache $cache)
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{
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$this->ffprobe = $ffprobe;
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$this->cache = $cache;
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}
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/**
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* {@inheritdoc}
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*/
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public function has($name)
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{
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$id = sprintf('option-%s', $name);
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if ($this->cache->contains($id)) {
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return $this->cache->fetch($id);
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}
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$output = $this->retrieveHelpOutput();
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$ret = (Boolean) preg_match('/^'.$name.'/m', $output);
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$this->cache->save($id, $ret);
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return $ret;
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}
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private function retrieveHelpOutput()
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{
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$id = 'help';
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if ($this->cache->contains($id)) {
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return $this->cache->fetch($id);
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}
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$output = $this->ffprobe->command(array('-help', '-loglevel', 'quiet'));
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$this->cache->save($id, $output);
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return $output;
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}
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}
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