Reply To: Old Spock vs New Spock Audi Commercial
Wordpress used to let you specify the dimensions of embedded videos, both in the admin “Media Settings” screen and on a per-post basis via something called shortcodes. In an effort to simplify things, this functionality has been removed in the latest version:
The embed dimensions are now completely specified by the theme. The filter code at the bottom of this page would probably work:
It doesn’t say on that page but the code needs to be added to the end of the functions.php file in the theme directory.