if( ! function_exists( 'set_video_cpt_capability_type' ) ){
    /**
     * @param array $args
     * @return array
     */
    function set_video_cpt_capability_type( $args ) {
        $args['capability_type'] = 'video';
        return $args;
    }
    add_filter( 'mars_video_post_type_args' , 'set_video_cpt_capability_type', 100, 1 );
}