function jetpack_archiveorg_embed_to_shortcode( $content ) {
  if ( ! is_string( $content ) || false === stripos( $content, 'archive.org/embed/' ) ) {
    return $content;
  }

  $regexp = '!<iframe\s+src=[\'"]https?://archive\.org/embed/([^\'"]+)[\'"]((?:\s+\w+(=[\'"][^\'"]*[\'"])?)*)></iframe>!i';

  if ( ! preg_match_all( $regexp, $content, $matches, PREG_SET_ORDER ) ) {
    return $content;
  }

  foreach ( $matches as $match ) {
    $url = explode( '&amp;', $match[1] );
    $id  = 'id=' . $url[0];

    $autoplay  = '';
    $poster    = '';
    $url_count = count( $url );

    for ( $ii = 1; $ii < $url_count; $ii++ ) {
      if ( 'autoplay=1' === $url[ $ii ] ) {
        $autoplay = ' autoplay="1"';
      }

      $map_matches = array();
      if ( preg_match( '/^poster=(.+)$/', $url[ $ii ], $map_matches ) ) {
        $poster = " poster=\"{$map_matches[1]}\"";
      }
    }

    $params = $match[2];

    $params = wp_kses_hair( $params, array( 'http' ) );

    $width  = isset( $params['width'] ) ? (int) $params['width']['value'] : 0;
    $height = isset( $params['height'] ) ? (int) $params['height']['value'] : 0;

    $wh = '';
    if ( $width && $height ) {
      $wh = ' width=' . $width . ' height=' . $height;
    }

    $shortcode = '[archiveorg ' . $id . $wh . $autoplay . $poster . ']';
    $content   = str_replace( $match[0], $shortcode, $content );
  }

  return $content;
}