Or, embed this snippet using GenerateWP WordPress Plugin.

Download

Clone

youtube

youtube video provider

// Register oEmbed providers
function youtubevideo() {

	wp_oembed_add_provider( 'https://www.youtube.com/watch?v=', 'https://www.youtube.com/embed/', true );
	wp_oembed_add_provider( '#https?://(www.)?youtube.com/playlist.*#i', 'http://www.youtube.com/oembed/', true );
	wp_oembed_add_provider( '#https?://(www.)?youtu.be/.*#i', 'http://www.youtube.com/oembed/', true );

}
add_action( 'init', 'youtubevideo' );