Best way to share videos here is to upload to YT and post the link here. The site will auto-embed the link similarly to what the site did to your video link, above.
Check the oil for antifreeze and check the antifreeze for oil.
Drop by your favorite auto parts store and pickup an automotive stethoscope. There's no way to tell from the video if we're hearing a main bearing, or pulley, or lifter, or an exhaust leak. The stethoscope will help to narrow it down.
I don't think your Baro sensor is the issue but it needs to be replaced, none the less.