Video replacement for Featured Image

gistfile1.phtml

<?php
 
add_action( 'woocommerce_product_options_general_product_data', 'catalog_add_video_field' );
add_action( 'woocommerce_process_product_meta', 'catalog_save_video_url' , 10, 2 );
add_filter( 'woocommerce_single_product_image_html', 'catalog_set_featured_video' , 20 );
 
function catalog_add_video_field() {
 
    echo '<div class="options_group">';
 
    woocommerce_wp_text_input( array(
        'id' => '_video_url',
        'label' => __( 'Featured Video URL', 'catalog' ),
        'placeholder' => __( 'Video URL', 'catalog' ),
        'description' => __( 'Enter the URL for the video you want to show in place of the featured image in the product detail page', 'catalog' ),
    ) );
 
    echo '</div>';
}
 
function catalog_save_video_url( $post_id, $post ) {
    if ( isset( $_POST['_video_url'] ) )
        update_post_meta( $post_id, '_video_url', esc_url( $_POST['_video_url'] ) );
}
 
 
function get_video_url() {
        global $post;
 
        $post_id = isset( $post->ID ) ? $post->ID : 0;
 
        $video_url = get_post_meta( $post_id, '_video_url', true );
        $video_url = empty( $video_url ) ? false : $video_url;
        return $video_url;
}
 
function catalog_set_featured_video( $html ) {
       global $post, $woocommerce;
 
       if( ! get_video_url() ) return $html;
 
        if ( function_exists( 'wc_get_image_size' ) ) {
              $size    = wc_get_image_size( apply_filters( 'single_product_large_thumbnail_size', 'shop_single' ) );
        } else {
              $size    = $woocommerce->get_image_size( apply_filters( 'single_product_large_thumbnail_size', 'shop_single' ) );
        }
 
       $video_width  = $size['width'];
       $video_height = $size['height'];
 
       $supported = wp_get_video_extensions();
       $video_url = get_video_url();
       $video_pathinfo = pathinfo($video_url);
       $video_ext = $video_pathinfo['extension'];
 
       if ( in_array($video_ext, $supported) ) {
           echo do_shortcode('[video src="' . $video_url . '" width="' . $video_width . '" height="' . $video_height . '"]');
       }
 
       else {
           echo wp_oembed_get($video_url, array('width' => $video_width, 'height' => $video_height));
       }

    }