scratch – Blame information for rev 122
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Rev | Author | Line No. | Line |
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120 | office | 1 | <?php |
2 | |||
3 | /* |
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4 | * This file is part of PHP-FFmpeg. |
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5 | * |
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6 | * (c) Alchemy <info@alchemy.fr> |
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7 | * |
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8 | * For the full copyright and license information, please view the LICENSE |
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9 | * file that was distributed with this source code. |
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10 | */ |
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11 | |||
12 | namespace FFMpeg\FFProbe; |
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13 | |||
14 | use Alchemy\BinaryDriver\Exception\ExecutionFailureException; |
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15 | use Doctrine\Common\Cache\Cache; |
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16 | use FFMpeg\Driver\FFProbeDriver; |
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17 | use FFMpeg\Exception\RuntimeException; |
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18 | |||
19 | class OptionsTester implements OptionsTesterInterface |
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20 | { |
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21 | /** @var FFProbeDriver */ |
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22 | private $ffprobe; |
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23 | /** @var Cache */ |
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24 | private $cache; |
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25 | |||
26 | public function __construct(FFProbeDriver $ffprobe, Cache $cache) |
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27 | { |
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28 | $this->ffprobe = $ffprobe; |
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29 | $this->cache = $cache; |
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30 | } |
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31 | |||
32 | /** |
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33 | * {@inheritdoc} |
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34 | */ |
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35 | public function has($name) |
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36 | { |
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37 | $id = sprintf('option-%s', $name); |
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38 | |||
39 | if ($this->cache->contains($id)) { |
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40 | return $this->cache->fetch($id); |
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41 | } |
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42 | |||
43 | $output = $this->retrieveHelpOutput(); |
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44 | |||
45 | $ret = (Boolean) preg_match('/^'.$name.'/m', $output); |
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46 | |||
47 | $this->cache->save($id, $ret); |
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48 | |||
49 | return $ret; |
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50 | } |
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51 | |||
52 | private function retrieveHelpOutput() |
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53 | { |
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54 | $id = 'help'; |
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55 | |||
56 | if ($this->cache->contains($id)) { |
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57 | return $this->cache->fetch($id); |
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58 | } |
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59 | |||
60 | try { |
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61 | $output = $this->ffprobe->command(array('-help', '-loglevel', 'quiet')); |
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62 | } catch (ExecutionFailureException $e) { |
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63 | throw new RuntimeException('Your FFProbe version is too old and does not support `-help` option, please upgrade.', $e->getCode(), $e); |
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64 | } |
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65 | |||
66 | $this->cache->save($id, $output); |
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67 | |||
68 | return $output; |
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69 | } |
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70 | } |