<?php
/**
 * Metadata provider registry.
 *
 * @package StreamSera
 */

namespace StreamSera\Metadata;

use StreamSera\Registry\Registry;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Metadata provider registry (filter `streamsera_metadata_providers`).
 */
class Providers extends Registry {
	/**
	 * Filter name add-ons use to extend the registry.
	 *
	 * @return string
	 */
	protected static function hook() {
		return 'streamsera_metadata_providers';
	}
	/**
	 * Built-in entries.
	 *
	 * @return array
	 */
	protected static function seed() {
		return array(
			'icecast'   => new Icecast(),
			'shoutcast' => new Shoutcast(),
			// Last: reads the title embedded in the stream itself (Zeno, SurferNetwork, most hosts).
			'icy'       => new Icy(),
		);
	}
}