auto hide video content on premium posts

add_filter( 'jeg_metabox', 'auto_hide_video_premium', 99, 2 );


function auto_hide_video_premium( $temp, $name ) {
    if ( 'jnews_paywall_metabox.enable_preview_video' === $name ) {
        return true;
    }

    if ( 'jnews_paywall_metabox.video_preview_url' === $name && empty( $temp ) ) {
        return 'https://www.youtube.com/watch?v=fF45RqoDRKQ'; /* default preview video on premium video post */
    }

    return $temp;
}