On my theme I insert YouTube videos via an embed code like this:
<iframe width="560" height="315" src="//www.youtube.com/embed/HJCvm7LXd8Y" frameborder="0" allowfullscreen></iframe>
I enter this into the post formats box below the main content section as per theme requirements. (My theme uses a plugin called MediaElement.js HTML5 to do this.
It is these videos which are not being checked.
Could anyone advise me as to what the custom fields might be I need to enter for these to be found?
Thanks so much!