function videotube_show_video_author(){

    if( is_author() ){
        return;
    }

    printf(
        '<div class="author-name meta">%s<a class="meta text-primary" href="%s">%s %s</a></div>',
        esc_html__( 'Posted by', 'videotube' ),
        esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
        get_avatar( get_the_author_meta( 'ID' ), 25, null, null, array( 'class' => 'h-auto w-auto mx-1' ) ),
        get_the_author_meta( 'display_name' )
    );
}
add_action( 'videotube_video_meta', 'videotube_show_video_author' );