public function __construct($value = 'faststart', $option = '-movflags') { parent::__construct($value, $option); }
public function __construct($value = 'thumbnail', $option = '-vf') { parent::__construct($value, $option); }
public function __construct($value = null, $option = null) { parent::__construct('scale=' . $value, $option); }
public function __construct($value = '"movie=/tmp/castor.png [watermark]; [in][watermark] overlay=10:10 [out]"', $option = '-vf') { parent::__construct($value, $option); }
public function __construct($value = '1', $option = '-frames:v') { parent::__construct($value, $option); }