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<?php namespace Folour\Flavy\Extensions; |
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use Folour\Flavy\Exceptions\CmdException; |
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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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class Base extends Commands |
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{ |
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/** |
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* |
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* Flavy config |
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* |
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* @var array |
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*/ |
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protected $config = [ |
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'ffmpeg_path' => 'ffmpeg', |
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'ffprobe_path' => 'ffprobe' |
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]; |
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/** |
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* |
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* FFmpeg information |
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* |
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* @var array |
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*/ |
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private $_info = [ |
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'formats' => [], |
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'encoders' => [ |
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'audio' => [], |
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'video' => [] |
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], |
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'decoders' => [ |
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'audio' => [], |
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'video' => [] |
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] |
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]; |
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/** |
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* Base constructor. |
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* |
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* @param array $config |
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*/ |
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public function __construct(array $config) |
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{ |
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$this->config = array_replace($this->config, $config); |
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} |
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/** |
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* |
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* Returns array of supported formats |
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* |
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* @throws CmdException |
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* @throws \Symfony\Component\Process\Exception\RuntimeException |
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* @throws \Symfony\Component\Process\Exception\LogicException |
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* @return array |
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*/ |
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public function formats() |
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{ |
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if ($this->_info['formats'] === null) { |
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$data = $this->runCmd('get_formats', [$this->config['ffmpeg_path']]); |
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if (is_array($data)) { |
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$this->_info['formats'] = array_combine($data['format'], $data['mux']); |
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} |
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} |
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return $this->_info['formats']; |
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} |
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/** |
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* |
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* Returns array of audio and video encoders |
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* [ |
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* 'audio' => [], |
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* 'video' => [] |
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* ] |
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* |
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* @throws CmdException |
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* @throws \Symfony\Component\Process\Exception\RuntimeException |
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* @throws \Symfony\Component\Process\Exception\LogicException |
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* @return array |
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*/ |
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public function encoders() |
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{ |
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return $this->_info['encoders']['audio'] === [] ? $this->infoPrepare(true) : $this->_info['encoders']; |
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} |
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/** |
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* @param bool $encoders |
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* @return array |
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* @throws CmdException |
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* @throws \Symfony\Component\Process\Exception\RuntimeException |
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* @throws \Symfony\Component\Process\Exception\LogicException |
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*/ |
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private function infoPrepare($encoders = false) |
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{ |
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$data = $this->runCmd('get_' . ($encoders ? 'encoders' : 'decoders'), [$this->config['ffmpeg_path']]); |
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return array_map( |
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function ($key, $type) use ($data) { |
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$result = []; |
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return $result[$type === 'A' ? 'audio' : 'video'][] = $data['format'][$key]; |
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}, array_keys($data['type']), $data['type'] |
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); |
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} |
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/** |
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* |
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* Returns array of audio and video decoders |
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* [ |
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* 'audio' => [], |
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* 'video' => [] |
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* ] |
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* |
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* @throws CmdException |
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* @throws \Symfony\Component\Process\Exception\RuntimeException |
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* @throws \Symfony\Component\Process\Exception\LogicException |
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* @return array |
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*/ |
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public function decoders() |
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{ |
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return $this->_info['decoders']['audio'] === [] ? $this->infoPrepare(false) : $this->_info['decoders']; |
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} |
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/** |
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* @param string $format |
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* @return bool |
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* @throws CmdException |
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* @throws \Symfony\Component\Process\Exception\RuntimeException |
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* @throws \Symfony\Component\Process\Exception\LogicException |
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*/ |
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public function canEncode($format = 'encoder') |
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{ |
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return in_array($format, array_flatten($this->encoders()), true); |
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} |
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/** |
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* @param string $format |
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* @return bool |
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* @throws CmdException |
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* @throws \Symfony\Component\Process\Exception\RuntimeException |
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* @throws \Symfony\Component\Process\Exception\LogicException |
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*/ |
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public function canDecode($format = 'decoder') |
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{ |
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return in_array($format, array_flatten($this->decoders()), true); |
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} |
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//Helpers |
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/** |
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* @param int|string $time timestamp for conversion |
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* @param bool $isDate mode flag, if true - $time converts from hh::mm:ss string to seconds, else conversely |
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* @return string |
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*/ |
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protected function timestamp($time, $isDate = true) |
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{ |
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if ($isDate) { |
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$time = explode(':', $time); |
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return ($time[0] * 3600) + ($time[1] * 60) + (int)$time[2]; |
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} |
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return gmdate('H:i:s', mktime(0, 0, $time)); |
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} |
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} |
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Folour /
flavy
