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<?php namespace Folour\Flavy\Extensions; |
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/** |
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* |
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* @author Vadim Bova <[email protected]> |
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* @link http://github.com/folour | http://vk.com/folour |
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* |
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*/ |
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use Folour\Flavy\Exceptions\CmdException; |
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use Symfony\Component\Process\Process; |
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abstract class Commands |
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{ |
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/** |
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* |
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* Commands for get needed information from stdout |
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* |
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* @var array |
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*/ |
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protected $_cmd = [ |
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'get_formats' => [ |
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'regex' => '/(?P<mux>(D\s|\sE|DE))\s(?P<format>\S{3,11})\s/', |
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'cmd' => '%s -formats', |
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'returns' => ['format', 'mux'] |
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], |
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'get_encoders' => [ |
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'regex' => '/(?P<type>(A|V)).....\s(?P<format>\S{3,20})\s/', |
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'cmd' => '%s -encoders', |
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'returns' => ['type', 'format'] |
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], |
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'get_decoders' => [ |
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'regex' => '/(?P<type>(A|V)).....\s(?P<format>\S{3,20})\s/', |
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'cmd' => '%s -decoders', |
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'returns' => ['type', 'format'] |
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], |
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'get_file_info' => [ |
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'cmd' => '%s -v quiet -print_format %s -show_format -show_streams -pretty -i "%s" 2>&1' |
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], |
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'get_thumbnails' => [ |
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'cmd' => '%s -i "%s" -vf fps=1/%d -vframes %d "%s"' |
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] |
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]; |
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/** |
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* |
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* Run command and return output |
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* |
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* @param string $cmd shell command or key of pre-defined commands |
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* @param array $args Command arguments |
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* |
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* @return string|bool Command output |
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* @throws CmdException |
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*/ |
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protected function runCmd($cmd, $args = []) |
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{ |
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$prop = isset($this->_cmd[$cmd]) ? $this->_cmd[$cmd] : []; |
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$cmd = isset($this->_cmd[$cmd]) ? $this->_cmd[$cmd]['cmd'] : $cmd; |
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$process = new Process(vsprintf($cmd, array_values($args))); |
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$process->run(); |
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if($process->isSuccessful()) { |
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$output = $process->getOutput(); |
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if(isset($prop['regex'])) { |
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if(preg_match_all($prop['regex'], $output, $matches)) { |
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return array_only($matches, $prop['returns']); |
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} |
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} |
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return $output; |
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} |
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throw new CmdException($process->getErrorOutput()); |
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} |
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} |
Folour /
flavy
