/**
* Encode to video
*
* @param Video $format The output format
* @param string $outputPathfile The pathfile where to write
* @param integer $threads The number of threads to use
* @return \FFMpeg\FFMpeg
* @throws RuntimeException
*/
protected function encodeVideo(Video $format, $outputPathfile, $threads)
{
$cmd_part1 = $this->binary . ' -y -i ' . escapeshellarg($this->pathfile) . ' ' . $format->getExtraParams() . ' ';
$cmd_part2 = '';
if ($format instanceof Video\Resizable) {
if (!$this->prober) {
throw new LogicException('You must set a valid prober if you use RESIZEMODE_INSET');
}
$result = json_decode($this->prober->probeStreams($this->pathfile), true);
$originalWidth = $originalHeight = null;
foreach ($result as $stream) {
foreach ($stream as $name => $value) {
if ($name == 'width') {
$originalWidth = $value;
continue;
}
if ($name == 'value') {
$originalHeight = $value;
continue;
}
}
}
if ($originalHeight !== null && $originalWidth !== null) {
$dimensions = $format->getComputedDimensions($originalWidth, $originalHeight);
$width = $this->getMultiple($dimensions->getWidth(), 16);
$height = $this->getMultiple($dimensions->getHeight(), 16);
$cmd_part2 .= ' -s ' . $width . 'x' . $height;
}
}
if ($format instanceof Video\Resamplable) {
$cmd_part2 .= ' -r ' . $format->getFrameRate();
}
if ($format instanceof Video\Transcodable) {
$cmd_part2 .= ' -vcodec ' . $format->getVideoCodec();
}
$cmd_part2 .= ' -b ' . $format->getKiloBitrate() . 'k -g 25 -bf 3' . ' -threads ' . $threads . ' -refs 6 -b_strategy 1 -coder 1 -qmin 10 -qmax 51 ' . ' -sc_threshold 40 -flags +loop -cmp +chroma' . ' -me_range 16 -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 ' . ' -trellis 1 -qscale 1 ' . ' -ab 92k ';
if ($format instanceof Audio\Transcodable) {
$cmd_part2 .= '-acodec ' . $format->getAudioCodec();
}
$tmpFile = new \SplFileInfo(tempnam(sys_get_temp_dir(), 'temp') . '.' . pathinfo($outputPathfile, PATHINFO_EXTENSION));
$passes = array();
$passes[] = $cmd_part1 . ' -pass 1 ' . $cmd_part2 . ' -an ' . escapeshellarg($tmpFile->getPathname());
$passes[] = $cmd_part1 . ' -pass 2 ' . $cmd_part2 . ' -ac 2 -ar 44100 ' . escapeshellarg($outputPathfile);
$process = null;
foreach ($passes as $pass) {
$this->logger->addInfo(sprintf('FFmpeg executes command %s', $pass));
$process = new Process($pass);
try {
$process->run();
} catch (\RuntimeException $e) {
break;
}
}
$this->cleanupTemporaryFile($tmpFile->getPathname());
$this->cleanupTemporaryFile(getcwd() . '/ffmpeg2pass-0.log');
$this->cleanupTemporaryFile(getcwd() . '/av2pass-0.log');
$this->cleanupTemporaryFile(getcwd() . '/ffmpeg2pass-0.log.mbtree');
if (!$process->isSuccessful()) {
$this->logger->addInfo(sprintf('FFmpeg command failed'));
throw new RuntimeException(sprintf('Encoding failed : %s', $process->getErrorOutput()));
}
$this->logger->addInfo(sprintf('FFmpeg command successful'));
return $this;
}
/**
* @covers FFMpeg\FFProbe::probeStreams
* @covers FFMpeg\FFProbe::executeProbe
* @expectedException \InvalidArgumentException
*/
public function testProbeStreamsInvalidPathFile()
{
$this->object->probeStreams(__DIR__ . '/../../files/unknown.file');
}