You can use Media Tag for all video services that support embedded code
Go to Settings > Media Tag > Create new
Media Replacement Title: Facebook
Media Replacement Match:
https://www.facebook.com/{1}/videos/{2}/
Media Replacement HTML:
<iframe src="https://www.facebook.com/plugins/video.php?href=https://www.facebook.com/$1/videos/$2/&width=1280&show_text=false&height=720&appId" width="1280" height="720" style="border:none;overflow:hidden" scrolling="no" frameborder="0" allowTransparency="true" allow="encrypted-media" allowFullScreen="true"></iframe>
Then you can post video from facebook with the url like this https://www.facebook.com/buzzfeedtasty/videos/1977059702546669/
Demo: http://demo.ipsviet.com/video/view/1680-facebook-test/