Delay when generating video thumbnails about thumbnail HOT 2 OPEN

public function getThumbnail($size, $file) {
    $media = Media::where('title', $file)->first();

    if(!is_numeric($size) || !isset($media)) {
        return response("", 400);
    }


    $thumb_size = $size > config('app.limit_size_thumbnail') ? config('app.limit_size_thumbnail') : ($size <= 0 
            ? config('app.default_size_thumbnail') : $size);

    return $this->generateThumbnail($media, $thumb_size);
}

private function generateThumbnail(Media $media, $size) {
  
    if(!\File::exists(storage_path("app/public/uploads/thumbnail"))) {
        \File::makeDirectory(storage_path("app/public/uploads/thumbnail"));
    }

    $file_source = storage_path($media->directory);
    $file_target = storage_path("app/public/uploads/thumbnail")."/". pathinfo($media->title, PATHINFO_FILENAME)."-".$size."-thumbnail.jpg";
    
    // generate video thumbnail
    if(strstr(mime_content_type($file_source), "video/")) {
        $thumbnail_status = Thumbnail::getThumbnail($file_source,pathinfo($file_target, PATHINFO_DIRNAME),pathinfo($file_target, PATHINFO_FILENAME).'.jpg');
        if($thumbnail_status)
  {
    echo "Thumbnail generated";
  }
  else
  {
    echo "thumbnail generation has failed";
  }
           
        }
     
    else if(strstr(mime_content_type($file_source), "image/")) {
        if (\File::copy($file_source , $file_target)) {
              return $this->createThumbnail($file_target, $size, $size);
        }
        return null;
    }
}

private function createThumbnail($path, $width, $height) {
    $img = Image::make($path)->resize($width, $height, function ($constraint) {
        $constraint->aspectRatio();
    });
    $img->save($path);  
    return $img->response();
}