get_attachment_taxonomies

		'height'   => 360,
		'class'    => 'wp-video-shortcode',
	);

	foreach ( $default_types as $type ) {
		$defaults_atts[ $type ] = '';
	}

	$atts = shortcode_atts( $defaults_atts, $attr, 'video' );

	if ( is_admin() ) {
		// Shrink the video so it isn't huge in the admin.
		if ( $atts['width'] > $defaults_atts['width'] ) {
			$atts['height'] = round( ( $atts['height'] * $defaults_atts['width'] ) / $atts['width'] );
			$atts['width']  = $defaults_atts['width'];
		}
	} else {
		// If the video is bigger than the theme.
		if ( ! empty( $content_width ) && $atts['width'] > $content_width ) {
			$atts['height'] = round( ( $atts['height'] * $content_width ) / $atts['width'] );
			$atts['width']  = $content_width;
		}
	}

	$is_vimeo      = false;
	$is_youtube    = false;
	$yt_pattern    = '#^https?://(?:www\.)?(?:youtube\.com/watch|youtu\.be/)#';
	$vimeo_pattern = '#^https?://(.+\.)?vimeo\.com/.*#';

	$primary = false;
	if ( ! empty( $atts['src'] ) ) {
		$is_vimeo   = ( preg_match( $vimeo_pattern, $atts['src'] ) );
		$is_youtube = ( preg_match( $yt_pattern, $atts['src'] ) );

		if ( ! $is_youtube && ! $is_vimeo ) {
			$type = wp_check_filetype( $atts['src'], wp_get_mime_types() );

			if ( ! in_array( strtolower( $type['ext'] ), $default_types, true ) ) {
				return sprintf( '<a class="wp-embedded-video" href="%s">%s</a>', esc_url( $atts['src'] ), esc_html( $atts['src'] ) );
			}
		}

		if ( $is_vimeo ) {
			wp_enqueue_script( 'mediaelement-vimeo' );
		}

		$primary = true;
		array_unshift( $default_types, 'src' );