/**
* Returns the raw data provided by ffmpeg about a file.
*
* @access public
* @author Oliver Lillie
* @param string $file_path
* @param boolean $read_from_cache
* @return mixed Returns false if no data is returned, otherwise returns the raw data as a string.
*/
public function getFileRawInformation($file_path, $read_from_cache = true)
{
// convert to realpath
$real_file_path = $this->_checkMediaFilePath($file_path);
$cache_key = 'media_parser/' . md5($real_file_path) . '_raw_data';
if ($read_from_cache === true && ($data = $this->_cacheGet($cache_key, -1)) !== -1) {
return $data;
}
// execute the ffmpeg lookup
$exec = new FfmpegProcess('ffmpeg', $this->_config);
$raw_data = $exec->setInputPath($real_file_path)->execute()->getBuffer();
// check the process for any errors.
if ($exec->hasError() === true && ($last_line = $exec->getLastLine()) !== 'At least one output file must be specified') {
throw new FfmpegProcessException('FFmpeg encountered an error when attempting to read `' . $file_path . '`. FFmpeg reported: ' . $last_line, null, $exec);
}
// check that some data has been obtained
if (empty($raw_data) === true) {
// TODO possible error/exception here.
}
$this->_cacheSet($cache_key, $raw_data);
return $raw_data;
}
/**
* Returns the raw data provided by ffmpeg about a file.
*
* @access public
* @author Oliver Lillie
* @param string $file_path
* @param boolean $read_from_cache
* @return mixed Returns false if no data is returned, otherwise returns the raw data as a string.
*/
public function getFileRawInformation($file_path, $read_from_cache = true)
{
// convert to realpath
$real_file_path = $this->_checkMediaFilePath($file_path);
$cache_key = 'media_parser/' . md5($real_file_path) . '_raw_data';
if ($read_from_cache === true && ($data = $this->_cacheGet($cache_key, -1)) !== -1) {
return $data;
}
$isWindowsPlatform = defined('PHP_WINDOWS_VERSION_BUILD');
// execute the ffmpeg lookup
$exec = new FfmpegProcess('ffmpeg', $this->_config);
$exec_cmd = $exec->setInputPath($real_file_path)->addCommand('-af', 'volumedetect')->addCommand('-f', 'NULL');
if ($isWindowsPlatform) {
$exec_cmd = $exec_cmd->addCommand('NUL');
} else {
$exec_cmd = $exec_cmd->addCommand('/dev/null');
}
$raw_data = $exec_cmd->execute()->getBuffer();
// check the process for any errors.
if ($exec->hasError() === true && ($last_line = $exec->getLastLine()) !== 'At least one output file must be specified') {
throw new FfmpegProcessException('FFmpeg encountered an error when attempting to read `' . $file_path . '`. FFmpeg reported:
' . $raw_data, null, $exec);
}
// check that some data has been obtained
if (empty($raw_data) === true) {
// TODO possible error/exception here.
}
$this->_cacheSet($cache_key, $raw_data);
return $raw_data;
}
/**
* Returns the raw data provided by ffmpeg about a file.
*
* @access public
* @author Oliver Lillie
* @param string $file_path
* @param boolean $read_from_cache
* @return mixed Returns false if no data is returned, otherwise returns the raw data as a string.
*/
public function getFileRawInformation($file_path, $read_from_cache = true)
{
// convert to realpath
$real_file_path = $this->_checkMediaFilePath($file_path);
$cache_key = 'media_prober/' . md5($real_file_path) . '_raw_data';
if ($read_from_cache === true && ($data = $this->_cacheGet($cache_key, -1)) !== -1) {
return $data;
}
// execute the ffmpeg lookup
$exec = new FfmpegProcess('ffprobe', $this->_config);
$raw_data = $exec->setInputPath($real_file_path)->addCommand('-show_streams')->addCommand('-show_format')->execute()->getBuffer();
// check the process for any errors.
if ($exec->hasError() === true) {
throw new FfmpegProcessException('FFprobe encountered an error when attempting to read `' . $file_path . '`. FFprobe reported: ' . $exec->getLastLine(), null, $exec);
}
// check that some data has been obtained
$data = array();
if (empty($raw_data) === true) {
// TODO possible error/exception here.
}
$this->_cacheSet($cache_key, $data);
return $data;
}
