/**
* Returns the raw data returned from ffmpeg empty function call.
*
* @access public
* @author Oliver Lillie
* @param boolean $read_from_cache
* @return string
*/
public function getRawFfmpegData($read_from_cache = true)
{
$cache_key = 'ffmpeg_raw_data';
if ($read_from_cache === true && ($data = $this->_cacheGet($cache_key, -1)) !== -1) {
return $data;
}
$exec = new FfmpegProcess('ffmpeg', $this->_config);
$data = $exec->execute()->getBuffer();
// purposley no error checking here as ffmpeg gives an error with no input given.
$this->_cacheSet($cache_key, $data);
return $data;
}
