/**
* ConvertVideo run function.
* This function is executed, when a worker is executing a task.
* The return parameter will determine, if the task will be marked completed, or be requeued.
*
* @param array $data The array passed to QueuedTask->createJob()
* @param int $id The id of the QueuedTask
* @return bool Success
*/
public function run($data, $id = null)
{
/** @var \FFMpeg\FFMpeg $ffmpeg */
$ffmpeg = \FFMpeg\FFMpeg::create(array('ffmpeg.binaries' => Configure::read('ffmpeg_path'), 'ffprobe.binaries' => Configure::read('ffprobe_path'), 'timeout' => 0, 'ffmpeg.threads' => 12));
//For debug
$ffmpeg->getFFMpegDriver()->listen(new \Alchemy\BinaryDriver\Listeners\DebugListener());
$ffmpeg->getFFMpegDriver()->on('debug', function ($message) {
echo $message . "\n";
});
$filepath = $data['filepath'];
$filename = $data['filename'];
$ext = $data['ext'];
$width = $data['width'];
$height = $data['height'];
$video = $ffmpeg->open($filepath . $filename . $ext);
$video->filters()->resize(new FFMpeg\Coordinate\Dimension($width, $height), \FFMpeg\Filters\Video\ResizeFilter::RESIZEMODE_INSET)->synchronize();
$webm = new FFMpeg\Format\Video\WebM();
$webm->setKiloBitrate(800);
$video->save($webm, $filepath . $filename . '_360p.webm');
$this->loadModel('Media');
$file = $this->Media->findById($data['media_id']);
$converted = $file['Media']['converted'] + 1;
$this->Media->updateAll(array('converted' => $converted), array('id' => $file['Media']['id']));
return true;
}
/**
* Converts a video into .webm and .mp4 formats for HTML5 video
*
* @return void
*/
public function webvideo()
{
try {
set_time_limit(0);
ini_set('memory_limit', '256M');
} catch (\Exception $e) {
// Nothing!
}
// Get params:
$video_path = \Cli::option('file', null);
if ($video_path === null) {
return;
}
// We need the log package loaded for Monolog
$doc_root = realpath(APPPATH . '../../public') . '/';
$config = \Config::get('cmf.ffmpeg');
$logger = new \Monolog\Logger('WebVideoConverter');
$logger->pushHandler(new \Monolog\Handler\RotatingFileHandler(APPPATH . 'logs/ffmpeg.log'));
// Get path info about the video
$video_path = $doc_root . $video_path;
$video_id = md5($video_path);
$path_info = pathinfo($video_path);
$converted_dir = $path_info['dirname'] . '/converted';
$progress_file = $video_path . '.progress';
touch($progress_file);
if (!is_dir($converted_dir)) {
$made_dir = @mkdir($converted_dir, 0775, true);
}
// Set up the FFMpeg instances
$ffprobe = new \FFMpeg\FFProbe($config['ffprobe_binary'], $logger);
$ffmpeg = new \FFMpeg\FFMpeg($config['ffmpeg_binary'], $logger);
$ffmpeg->setProber($ffprobe);
// Probe the video for info
$format_info = json_decode($ffprobe->probeFormat($video_path));
$video_streams = json_decode($ffprobe->probeStreams($video_path));
$video_info = null;
foreach ($video_streams as $num => $stream) {
if ($stream->codec_type == 'video') {
$video_info = $stream;
break;
}
}
// Serve up an error if we can't find a video stream
if ($video_info === null) {
return;
}
// Determine the frame rate
if (isset($video_info->r_frame_rate)) {
$video_framerate = strval($video_info->r_frame_rate);
$parts = explode('/', $video_framerate);
$video_framerate = round(intval($parts[0]) / intval($parts[1]));
} else {
$video_framerate = intval($config['default_framerate']);
}
// Get the size
$video_width = intval(isset($video_info->width) ? $video_info->width : $config['default_size']['width']);
$video_height = intval(isset($video_info->height) ? $video_info->height : $config['default_size']['height']);
$video_kilobitrate = round($video_width * $video_height * 0.0019);
$video_duration = floatval($format_info->duration);
$still_frame_pos = $video_duration * 0.1;
if (isset($format_info->bit_rate) && round($format_info->bit_rate / 1024) < $video_kilobitrate) {
$video_kilobitrate = round($format_info->bit_rate / 1024);
}
// Set up the helper that outputs conversion progress
$progressHelper = new \FFMpeg\Helper\VideoProgressHelper(function ($percent, $remaining, $rate) use($progress_file) {
$data = array('percent' => $percent, 'remaining' => $remaining, 'rate' => $rate);
file_put_contents($progress_file, json_encode($data));
});
// Finally, convert to each format:
$webMFormat = new \FFMpeg\Format\Video\WebM();
$webMFormat->setDimensions($video_width, $video_height)->setFrameRate($video_framerate)->setKiloBitrate($video_kilobitrate)->setGopSize(25);
$x264Format = new \FFMpeg\Format\Video\X264();
$x264Format->setDimensions($video_width, $video_height)->setFrameRate($video_framerate)->setKiloBitrate($video_kilobitrate)->setGopSize(25);
$ffmpeg->open($video_path)->attachHelper($progressHelper)->encode($webMFormat, $converted_dir . '/' . $path_info['filename'] . '.webm')->encode($x264Format, $converted_dir . '/' . $path_info['filename'] . '.mp4')->extractImage($still_frame_pos, $path_info['dirname'] . '/' . $path_info['basename'] . '.jpg')->close();
// Delete the progress file to show that the process is complete
unlink($progress_file);
}
