fredrikln

// ...snip

// Change Yoast og:type and add og:video meta tags for a custom post type in WordPress
// Note: This assumes you are using a custom field named 'youtube_id' using Advanced Custom Fields plugin

// Change og:type of episodes and videos to video
function yoast_change_opengraph_type( $type ) {
    // If this is the wanted custom post type
    if ( get_post_type() == 'episode' ) {
        return 'video';