private function retrieveHelpOutput()
{
$id = 'help';
if ($this->cache->contains($id)) {
return $this->cache->fetch($id);
}
try {
$output = $this->ffprobe->command(array('-help', '-loglevel', 'quiet'));
} catch (ExecutionFailureException $e) {
throw new RuntimeException('Your FFProbe version is too old and does not support `-help` option, please upgrade.', $e->getCode(), $e);
}
$this->cache->save($id, $output);
return $output;
}
private function probe($pathfile, $command, $type, $allowJson = true)
{
$id = sprintf('%s-%s', $command, $pathfile);
if ($this->cache->contains($id)) {
return $this->cache->fetch($id);
}
if (!$this->optionsTester->has($command)) {
throw new RuntimeException(sprintf('This version of ffprobe is too old and ' . 'does not support `%s` option, please upgrade', $command));
}
$commands = array($pathfile, $command);
$parseIsToDo = false;
if ($allowJson && $this->optionsTester->has('-print_format')) {
// allowed in latest PHP-FFmpeg version
$commands[] = '-print_format';
$commands[] = 'json';
} elseif ($allowJson && $this->optionsTester->has('-of')) {
// option has changed in avconv 9
$commands[] = '-of';
$commands[] = 'json';
} else {
$parseIsToDo = true;
}
try {
$output = $this->ffprobe->command($commands);
} catch (ExecutionFailureException $e) {
throw new RuntimeException(sprintf('Unable to probe %s', $pathfile), $e->getCode(), $e);
}
if ($parseIsToDo) {
$data = $this->parser->parse($type, $output);
} else {
try {
// Malformed json may be retrieved
$data = $this->parseJson($output);
} catch (RuntimeException $e) {
return $this->probe($pathfile, $command, $type, false);
}
}
$ret = $this->mapper->map($type, $data);
$this->cache->save($id, $ret);
return $ret;
}
/**
* @expectedException FFMpeg\Exception\ExecutableNotFoundException
*/
public function testCreateFailureThrowsAnException()
{
FFProbeDriver::create(array('ffprobe.binaries' => '/path/to/nowhere'));
}
