/**
* Convert media according to specifications in $this->outputInfo.
*
* @param string $filename - passed by reference because sometimes there is a need to change the filename,
* or otherwise the backend will produce an error
* @return Naf_Media_Info - information for the newly created
* @throws Naf_Media_Exception
*/
function convert(&$filename, $start = 0, $duration = null)
{
$c = new Naf_ShellCmd($this->command);
$format = $this->outputInfo->getFormat();
if ($format) {
$ext = substr($filename, strrpos($filename, '.') + 1);
if ($ext != $format) {
$filename .= '.' . $format;
}
} else {
$ext = substr($this->source, strrpos($this->source, '.') + 1);
$filename .= '.' . $ext;
}
$c->addOption('-i', $this->source);
$c->setTarget($filename);
$c->addOptionIf($start, '-ss', $start);
$c->addOptionIf($duration, '-t', $duration);
if (($width = $this->outputInfo->getWidth()) && ($height = $this->outputInfo->getHeight())) {
$c->addOption('-s', $width . 'x' . $height);
}
$bitrate = $this->outputInfo->getBitrate();
$c->addOptionIf($bitrate, '-b', (int) $bitrate . "k");
try {
$c->exec();
} catch (Naf_Exception $e) {
throw new Naf_Media_Exception("Ffmpeg call failed: " . $e->getMessage() . "\nCommand: " . $c->getLastCommannd());
}
return Naf_Media::reader()->info($filename);
}
/**
* @param string $filename
* @param int | string $start
* @param int | string $duration
* @return Naf_Media_Info
* @throws Naf_Media_Exception
*/
function convert(&$filename, $start = 0, $duration = null)
{
$c = new Naf_ShellCmd($this->command);
if (($width = $this->outputInfo->getWidth()) && ($height = $this->outputInfo->getHeight())) {
// We have to resize the movie.
if (!$this->outputInfo->getFormat()) {
/* Output format not specified. By default, we should use 'copy',
but we're not able actually, since if video-stream is copied (not encoded!),
then no scaling will be applied. Force format. */
$ext = substr($this->source, strrpos($this->source, '.') + 1);
$this->outputInfo->setFormat($ext);
}
$c->addOption('-vf', 'scale=' . $width . ':' . $height);
}
$cfg = $this->createConfigurator();
$filename = $cfg->filename($filename);
$c->addOption('-o', $filename);
$cfg->configure($c);
$c->addOptionIf($start, '-ss', $start);
$c->addOptionIf($duration, '-endpos', $duration);
$c->setTarget($this->source);
try {
$c->exec();
} catch (Naf_Exception $e) {
throw new Naf_Media_Exception("Mplayer call failed: " . $e->getMessage() . "\nCommand: " . $c->getLastCommannd());
}
return Naf_Media::reader()->info($filename);
}
protected function assertUnchangedSize(Naf_Media_Info $result)
{
$ir = Naf_Media::reader();
$i = $ir->info($this->source);
$this->assertEqual($i->getWidth(), $result->getWidth());
$this->assertEqual($i->getHeight(), $result->getHeight());
}