Pimcore\Model\Asset\Video\Thumbnail\Processor::process PHP Method

    public static function process(Model\Asset\Video $asset, $config, $onlyFormats = [])
    {
        if (!\Pimcore\Video::isAvailable()) {
            throw new \Exception("No ffmpeg executable found, please configure the correct path in the system settings");
        }
        $instance = new self();
        $formats = empty($onlyFormats) ? ["mp4"] : $onlyFormats;
        $instance->setProcessId(uniqid());
        $instance->setAssetId($asset->getId());
        $instance->setConfig($config);
        // check for running or already created thumbnails
        $customSetting = $asset->getCustomSetting("thumbnails");
        $existingFormats = [];
        if (is_array($customSetting) && array_key_exists($config->getName(), $customSetting)) {
            if ($customSetting[$config->getName()]["status"] == "inprogress") {
                if (TmpStore::get($instance->getJobStoreId($customSetting[$config->getName()]["processId"]))) {
                    return;
                }
            } elseif ($customSetting[$config->getName()]["status"] == "finished") {
                // check if the files are there
                $formatsToConvert = [];
                foreach ($formats as $f) {
                    if (!is_file($asset->getVideoThumbnailSavePath() . $customSetting[$config->getName()]["formats"][$f])) {
                        $formatsToConvert[] = $f;
                    } else {
                        $existingFormats[$f] = $customSetting[$config->getName()]["formats"][$f];
                        $existingFormats[$f] = $customSetting[$config->getName()]["formats"][$f];
                    }
                }
                if (!empty($formatsToConvert)) {
                    $formats = $formatsToConvert;
                } else {
                    return;
                }
            } elseif ($customSetting[$config->getName()]["status"] == "error") {
                throw new \Exception("Unable to convert video, see logs for details.");
            }
        }
        foreach ($formats as $format) {
            $thumbDir = $asset->getVideoThumbnailSavePath() . "/thumb__" . $config->getName();
            $filename = preg_replace("/\\." . preg_quote(File::getFileExtension($asset->getFilename())) . "/", "", $asset->getFilename()) . "." . $format;
            $fsPath = $thumbDir . "/" . $filename;
            $tmpPath = PIMCORE_SYSTEM_TEMP_DIRECTORY . "/" . $filename;
            if (!is_dir(dirname($fsPath))) {
                File::mkdir(dirname($fsPath));
            }
            if (is_file($fsPath)) {
                @unlink($fsPath);
            }
            $converter = \Pimcore\Video::getInstance();
            $converter->load($asset->getFileSystemPath());
            $converter->setAudioBitrate($config->getAudioBitrate());
            $converter->setVideoBitrate($config->getVideoBitrate());
            $converter->setFormat($format);
            $converter->setDestinationFile($tmpPath);
            $converter->setStorageFile($fsPath);
            $transformations = $config->getItems();
            if (is_array($transformations) && count($transformations) > 0) {
                foreach ($transformations as $transformation) {
                    if (!empty($transformation)) {
                        $arguments = [];
                        $mapping = self::$argumentMapping[$transformation["method"]];
                        if (is_array($transformation["arguments"])) {
                            foreach ($transformation["arguments"] as $key => $value) {
                                $position = array_search($key, $mapping);
                                if ($position !== false) {
                                    $arguments[$position] = $value;
                                }
                            }
                        }
                        ksort($arguments);
                        if (count($mapping) == count($arguments)) {
                            call_user_func_array([$converter, $transformation["method"]], $arguments);
                        } else {
                            $message = "Video Transform failed: cannot call method `" . $transformation["method"] . "´ with arguments `" . implode(",", $arguments) . "´ because there are too few arguments";
                            Logger::error($message);
                        }
                    }
                }
            }
            $instance->queue[] = $converter;
        }
        $customSetting = $asset->getCustomSetting("thumbnails");
        $customSetting = is_array($customSetting) ? $customSetting : [];
        $customSetting[$config->getName()] = ["status" => "inprogress", "formats" => $existingFormats, "processId" => $instance->getProcessId()];
        $asset->setCustomSetting("thumbnails", $customSetting);
        $asset->save();
        $instance->convert();
        return $instance;
    }

 /**
  * Returns a path to a given thumbnail or an thumbnail configuration
  *
  * @param mixed
  * @return string
  */
 public function getThumbnail($thumbnailName, $onlyFormats = array())
 {
     $thumbnail = $this->getThumbnailConfig($thumbnailName);
     if ($thumbnail) {
         try {
             Video\Thumbnail\Processor::process($this, $thumbnail, $onlyFormats);
             // check for existing videos
             $customSetting = $this->getCustomSetting("thumbnails");
             if (is_array($customSetting) && array_key_exists($thumbnail->getName(), $customSetting)) {
                 return $customSetting[$thumbnail->getName()];
             }
         } catch (\Exception $e) {
             \Logger::error("Couldn't create thumbnail of video " . $this->getFullPath());
             \Logger::error($e);
         }
     }
     return null;
 }