BuddyPress.org

Why don’t you just use the default oEmbed class in WordPress?

https://codex.wordpress.org/Embeds

http://www.viper007bond.com/2009/10/13/easy-embeds-for-wordpress-2-point-9/

Shortcodes work like this:

[embed]youtube link[/embed]

You can enable oEmbed support across all blogs with the New Blog Defaults plugin:

https://wordpress.org/extend/plugins/wpmu-new-blog-defaults/