WP_Widget_Media_Video::render_media( array $instance )

	public function render_media( $instance ) {
		$instance = array_merge( wp_list_pluck( $this->get_instance_schema(), 'default' ), $instance );
		$attachment = null;

		if ( $this->is_attachment_with_mime_type( $instance['attachment_id'], $this->widget_options['mime_type'] ) ) {
			$attachment = get_post( $instance['attachment_id'] );
		}

		$src = $instance['url'];
		if ( $attachment ) {
			$src = wp_get_attachment_url( $attachment->ID );
		}

		if ( empty( $src ) ) {
			return;
		}

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

		if ( $attachment || preg_match( $youtube_pattern, $src ) || preg_match( $vimeo_pattern, $src ) ) {
			add_filter( 'wp_video_shortcode', array( $this, 'inject_video_max_width_style' ) );

			echo wp_video_shortcode(
				array_merge(
					$instance,
					compact( 'src' )
				),
				$instance['content']
			);

			remove_filter( 'wp_video_shortcode', array( $this, 'inject_video_max_width_style' ) );
		} else {
			echo $this->inject_video_max_width_style( wp_oembed_get( $src ) );
		}
	}