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typo3/sysext/frontend/Classes/Hooks/MediaItemHooks.php

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+<?php
+namespace TYPO3\CMS\Frontend\Hooks;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Adds extra fields into 'media' flexform
+ * @internal this is a concrete TYPO3 hook implementation and solely used for EXT:frontend and not part of TYPO3's Core API.
+ */
+class MediaItemHooks implements \TYPO3\CMS\Core\SingletonInterface
+{
+    /**
+     * Load extra render types if they exist
+     *
+     * @param array $params Existing types by reference
+     * @param array $conf Config array
+     */
+    public function customMediaRenderTypes(&$params, $conf)
+    {
+        foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/hooks/class.tx_cms_mediaitems.php']['customMediaRenderTypes'] ?? [] as $className) {
+            $hookObj = GeneralUtility::makeInstance($className);
+            $hookObj->customMediaRenderTypes($params, $conf);
+        }
+    }
+
+    /**
+     * Load extra predefined media params if they exist
+     *
+     * @param array $params Existing types by reference
+     * @param array $conf Config array
+     */
+    public function customMediaParams(&$params, $conf)
+    {
+        foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['tslib/hooks/class.tx_cms_mediaitems.php']['customMediaParams'] ?? [] as $className) {
+            $hookObj = GeneralUtility::makeInstance($className);
+            $hookObj->customMediaParams($params, $conf);
+        }
+    }
+}