apply_filters( 'wp_video_embed_handler', callable $handler )

217	 * Filters the video embed handler callback.218	 *219	 * @since 3.6.0220	 *221	 * @param callable $handler Video embed handler callback function.222	 */223	wp_embed_register_handler( 'video', '#^https?://.+?\.(' . implode( '|', wp_get_video_extensions() ) . ')$#i', apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' ), 9999 );224}225 226/**227 * YouTube iframe embed handler callback.228 *229 * Catches YouTube iframe embed URLs that are not parsable by oEmbed but can be translated into a URL that is.