Hello ilp,
You can add post formatting from the child theme.
https://codex.wordpress.org/Post_Formats#Formats_in_a_Child_Theme
However in the pro theme AcmeBlogPro, we have added support for video post and other post formats.
Please check it out here http://www.acmethemes.com/themes/acmeblogpro/.
Best Regards,
AcmeThemes