diff --git a/Classes/Configuration/ExtensionConfiguration.php b/Classes/Configuration/ExtensionConfiguration.php
new file mode 100644
index 0000000..7243703
--- /dev/null
+++ b/Classes/Configuration/ExtensionConfiguration.php
@@ -0,0 +1,69 @@
+<?php
+declare(strict_types=1);
+
+namespace BTU\BtuVimp\Configuration;
+
+use BTU\BtuVimp\Exception\InvalidConfigurationException;
+use TYPO3\CMS\Core\Configuration\Exception\ExtensionConfigurationExtensionNotConfiguredException;
+use TYPO3\CMS\Core\Configuration\Exception\ExtensionConfigurationPathDoesNotExistException;
+use TYPO3\CMS\Core\Configuration\ExtensionConfiguration as CoreExtensionConfiguration;
+use TYPO3\CMS\Core\SingletonInterface;
+
+/*
+ * 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!
+ */
+
+/**
+ * ExtensionConfiguration class
+ *
+ * @phpstan-type UrlParameters array<string,string|int|bool>
+ */
+class ExtensionConfiguration implements SingletonInterface
+{
+    protected string $baseUrl;
+    /** @var UrlParameters */
+    protected array $urlParameters;
+
+    /**
+     * @throws ExtensionConfigurationExtensionNotConfiguredException
+     * @throws ExtensionConfigurationPathDoesNotExistException
+     * @throws InvalidConfigurationException
+     */
+    public function __construct(
+        protected CoreExtensionConfiguration $extConf
+    ) {
+        $baseUrl = $extConf->get('btu_vimp', 'baseUrl');
+        if (! is_string($baseUrl)) {
+            throw new InvalidConfigurationException('Configuration "baseUrl" must be a string', 1728910000);
+        }
+        $this->baseUrl = $baseUrl;
+
+        $urlParameters = $extConf->get('btu_vimp', 'urlParameters');
+        if (! is_array($urlParameters)) {
+            throw new InvalidConfigurationException('Configuration "urlParameters" must be an array', 1728910010);
+        }
+        $this->urlParameters = $urlParameters;
+    }
+
+    public function getBaseUrl(): string
+    {
+        return $this->baseUrl;
+    }
+
+    /**
+     * @return UrlParameters
+     */
+    public function getUrlParameters(): array
+    {
+        return $this->urlParameters;
+    }
+}
diff --git a/Classes/Exception/GenericException.php b/Classes/Exception/GenericException.php
new file mode 100644
index 0000000..3fc2646
--- /dev/null
+++ b/Classes/Exception/GenericException.php
@@ -0,0 +1,21 @@
+<?php
+declare(strict_types=1);
+
+namespace BTU\BtuVimp\Exception;
+
+/*
+ * 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\Exception;
+
+class GenericException extends Exception {}
diff --git a/Classes/Exception/InvalidArgumentException.php b/Classes/Exception/InvalidArgumentException.php
new file mode 100644
index 0000000..69226ed
--- /dev/null
+++ b/Classes/Exception/InvalidArgumentException.php
@@ -0,0 +1,19 @@
+<?php
+declare(strict_types=1);
+
+namespace BTU\BtuVimp\Exception;
+
+/*
+ * 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!
+ */
+
+class InvalidArgumentException extends LogicException {}
diff --git a/Classes/Exception/InvalidConfigurationException.php b/Classes/Exception/InvalidConfigurationException.php
new file mode 100644
index 0000000..bbe5a18
--- /dev/null
+++ b/Classes/Exception/InvalidConfigurationException.php
@@ -0,0 +1,19 @@
+<?php
+declare(strict_types=1);
+
+namespace BTU\BtuVimp\Exception;
+
+/*
+ * 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!
+ */
+
+class InvalidConfigurationException extends LogicException {}
diff --git a/Classes/Exception/LogicException.php b/Classes/Exception/LogicException.php
new file mode 100644
index 0000000..b53ab1d
--- /dev/null
+++ b/Classes/Exception/LogicException.php
@@ -0,0 +1,19 @@
+<?php
+declare(strict_types=1);
+
+namespace BTU\BtuVimp\Exception;
+
+/*
+ * 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!
+ */
+
+class LogicException extends RuntimeException {}
diff --git a/Classes/Exception/RuntimeException.php b/Classes/Exception/RuntimeException.php
new file mode 100644
index 0000000..9a63541
--- /dev/null
+++ b/Classes/Exception/RuntimeException.php
@@ -0,0 +1,19 @@
+<?php
+declare(strict_types=1);
+
+namespace BTU\BtuVimp\Exception;
+
+/*
+ * 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!
+ */
+
+class RuntimeException extends GenericException {}
diff --git a/Classes/Helpers/VimpHelper.php b/Classes/Helpers/VimpHelper.php
index 749b4c0..f352baa 100644
--- a/Classes/Helpers/VimpHelper.php
+++ b/Classes/Helpers/VimpHelper.php
@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 namespace BTU\BtuVimp\Helpers;
 
 /*
@@ -14,24 +16,18 @@
  * The TYPO3 project - inspiring people to share!
  */
 
-use TYPO3\CMS\Core\Configuration\ExtensionConfiguration;
+use BTU\BtuVimp\Configuration\ExtensionConfiguration;
 use TYPO3\CMS\Core\Resource\File;
 use TYPO3\CMS\Core\Resource\Folder;
 use TYPO3\CMS\Core\Resource\OnlineMedia\Helpers\AbstractOnlineMediaHelper;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Core\Utility\StringUtility;
 
 /**
  * Vimp helper class
  */
 class VimpHelper extends AbstractOnlineMediaHelper
 {
-    /**
-     * Base URL for the ViMP instance
-     *
-     * @var string
-     */
-    protected $baseUrl;
+    protected ExtensionConfiguration $extConf;
 
     /**
      * Constructor
@@ -41,9 +37,8 @@ class VimpHelper extends AbstractOnlineMediaHelper
     public function __construct($extension)
     {
         parent::__construct($extension);
-        if (empty($this->baseUrl)) {
-            $this->baseUrl = GeneralUtility::makeInstance(ExtensionConfiguration::class)->get('btu_vimp', 'baseUrl');
-        }
+
+        $this->extConf = GeneralUtility::makeInstance(ExtensionConfiguration::class);
     }
 
 
@@ -61,10 +56,7 @@ public function transformUrlToFile($url, Folder $targetFolder)
     {
         $mediaId = null;
 
-        if (isset($this->baseUrl)
-            && !empty($this->baseUrl)
-            && StringUtility::beginsWith($url, $this->baseUrl)
-        ) {
+        if (str_starts_with($url, $this->extConf->getBaseUrl())) {
             if (preg_match('/\/(?:video)\/([0-9a-z\-]+)\/([0-9a-z]+)/i', $url, $matches)) {
                 $mediaTitle = $matches[1];
                 $mediaId = $matches[2];
@@ -118,8 +110,8 @@ public function getPreviewImage(File $file)
     {
         $videoId = $this->getOnlineMediaId($file);
         $temporaryFileName = $this->getTempFolderPath() . 'vimp_' . md5($videoId) . '.jpg';
-        if (!file_exists($temporaryFileName)) {
-            $thumbnailUrl = $this->baseUrl . '/api/getPicture?type=medium&key=' . $videoId;
+        if (! file_exists($temporaryFileName)) {
+            $thumbnailUrl = $this->extConf->getBaseUrl() . '/api/getPicture?type=medium&key=' . $videoId;
             $previewImage = GeneralUtility::getUrl($thumbnailUrl);
             if ($previewImage !== false) {
                 file_put_contents($temporaryFileName, $previewImage);
diff --git a/Classes/Rendering/VimpRenderer.php b/Classes/Rendering/VimpRenderer.php
index a5f9d31..90e3194 100644
--- a/Classes/Rendering/VimpRenderer.php
+++ b/Classes/Rendering/VimpRenderer.php
@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 namespace BTU\BtuVimp\Rendering;
 
 /*
@@ -14,7 +16,7 @@
  * The TYPO3 project - inspiring people to share!
  */
 
-use TYPO3\CMS\Core\Configuration\ExtensionConfiguration;
+use BTU\BtuVimp\Configuration\ExtensionConfiguration;
 use TYPO3\CMS\Core\Resource\File;
 use TYPO3\CMS\Core\Resource\FileInterface;
 use TYPO3\CMS\Core\Resource\FileReference;
@@ -22,7 +24,6 @@
 use TYPO3\CMS\Core\Resource\OnlineMedia\Helpers\OnlineMediaHelperRegistry;
 use TYPO3\CMS\Core\Resource\Rendering\FileRendererInterface;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Extbase\Object\ObjectManager;
 
 /**
  * Vimeo renderer class
@@ -73,7 +74,7 @@ protected function getOnlineMediaHelper(FileInterface $file)
                 $orgFile = $orgFile->getOriginalFile();
             }
             if ($orgFile instanceof File) {
-                $this->onlineMediaHelper = OnlineMediaHelperRegistry::getInstance()->getOnlineMediaHelper($orgFile);
+                $this->onlineMediaHelper = GeneralUtility::makeInstance(OnlineMediaHelperRegistry::class)->getOnlineMediaHelper($orgFile);
             } else {
                 $this->onlineMediaHelper = false;
             }
@@ -136,22 +137,24 @@ protected function collectOptions(array $options, FileInterface $file)
      */
     protected function createVimpUrl(array $options, FileInterface $file)
     {
-        $videoId = $this->getVideoIdFromFile($file);
-
-        $urlParams = [];
-        $urlParams[] = 'width=720';
-        $urlParams[] = 'height=405';
-        $urlParams[] = ((bool)$options['autoplay'] === true) ? 'autoplay=true' : 'autoplay=false';
-        $urlParams[] = 'autolightsoff=false';
-        $urlParams[] = 'loop=false';
-        $urlParams[] = 'chapters=false';
-        $urlParams[] = 'related=false';
-        $urlParams[] = 'responsive=false';
-        $urlParams[] = 't=0';
-
-        $baseUrl = GeneralUtility::makeInstance(ExtensionConfiguration::class)->get('btu_vimp', 'baseUrl');
-
-        return sprintf($baseUrl . 'media/embed?key=%s&%s', $videoId, implode('&', $urlParams));
+        $extConf = GeneralUtility::makeInstance(ExtensionConfiguration::class);
+
+        $urlParameters = $extConf->getUrlParameters();
+        $urlParameters['key'] = $this->getVideoIdFromFile($file);
+        $urlParameters['autoplay'] = ($options['autoplay'] ?? false) === true;
+
+        array_walk($urlParameters, static function (&$value, $key) {
+            $value = match ($value) {
+                true => 'true',
+                false => 'false',
+                default => $value,
+            };
+        });
+
+        $urlParameters = http_build_query($urlParameters, '', '&');
+
+        $baseUrl = $extConf->getBaseUrl();
+        return sprintf($baseUrl . 'media/embed?%s', $urlParameters);
     }
 
     /**
@@ -214,7 +217,7 @@ protected function implodeAttributes(array $attributes): string
             if ($value === true) {
                 $attributeList[] = $name;
             } else {
-                $attributeList[] = $name . '="' . htmlspecialchars($value, ENT_QUOTES | ENT_HTML5) . '"';
+                $attributeList[] = $name . '="' . htmlspecialchars((string)$value, ENT_QUOTES | ENT_HTML5) . '"';
             }
         }
         return implode(' ', $attributeList);
diff --git a/Configuration/Services.yaml b/Configuration/Services.yaml
new file mode 100644
index 0000000..06ca8a7
--- /dev/null
+++ b/Configuration/Services.yaml
@@ -0,0 +1,8 @@
+services:
+    _defaults:
+        autowire: true
+        autoconfigure: true
+        public: false
+
+    BTU\BtuVimp\:
+        resource: '../Classes/*'
diff --git a/composer.json b/composer.json
index cddb3fd..f399749 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,8 @@
   "type": "typo3-cms-extension",
   "license": "GPL-2.0-or-later",
   "require": {
-    "typo3/cms-core": "^9.5|^10.4"
+    "php": "^8.0",
+    "typo3/cms-core": "^11.5|^12.4"
   },
   "replace": {
     "btu/btu_vimp": "self.version",
diff --git a/ext_conf_template.txt b/ext_conf_template.txt
index 49dc358..10addfc 100644
--- a/ext_conf_template.txt
+++ b/ext_conf_template.txt
@@ -1,4 +1,23 @@
 # cat=Settings/O; type=string; label= ViMP base url
 baseUrl =
 
-
+urlParameters {
+    # cat=urlParameters; type=int+; label=width of embedded videos
+    width = 720
+    # cat=urlParameters; type=int+; label=height of embedded videos
+    height = 405
+    # cat=urlParameters; type=boolean; label=autolightsoff of embedded videos
+    autolightsoff = false
+    # cat=urlParameters; type=boolean; label=show controls of embedded videos
+    controls = true
+    # cat=urlParameters; type=boolean; label=loop videos
+    loop = false
+    # cat=urlParameters; type=boolean; label=show chapters of embedded videos
+    chapters = false
+    # cat=urlParameters; type=boolean; label=show playlists of embedded videos
+    playlist = false
+    # cat=urlParameters; type=boolean; label=show related videos in embedded videos
+    related = false
+    # cat=urlParameters; type=boolean; label=responsive behavior
+    responsive = true
+}
diff --git a/ext_emconf.php b/ext_emconf.php
index b069baa..d085bb1 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -10,7 +10,7 @@
     'version' => '1.1.1',
     'constraints' => [
         'depends' => [
-          'typo3' => '9.5.0-10.4.99',
+          'typo3' => '11.5.99-12.4.99',
         ],
         'conflicts' => [],
         'suggests' => [],
diff --git a/ext_localconf.php b/ext_localconf.php
index 95ad0a4..5120cc7 100644
--- a/ext_localconf.php
+++ b/ext_localconf.php
@@ -1,18 +1,23 @@
 <?php
-defined('TYPO3_MODE') || die();
+declare(strict_types=1);
 
-(static function () {
-    $extConf = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
-        \TYPO3\CMS\Core\Configuration\ExtensionConfiguration::class
-    )->get('btu_vimp');
+use BTU\BtuVimp\Configuration\ExtensionConfiguration;
+use BTU\BtuVimp\Helpers\VimpHelper;
+use BTU\BtuVimp\Rendering\VimpRenderer;
+use TYPO3\CMS\Core\Resource\Rendering\RendererRegistry;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+defined('TYPO3') || die();
 
-    if (isset($extConf['baseUrl']) && !empty($extConf['baseUrl'])) {
-        $rendererRegistry = \TYPO3\CMS\Core\Resource\Rendering\RendererRegistry::getInstance();
-        $rendererRegistry->registerRendererClass(\BTU\BtuVimp\Rendering\VimpRenderer::class);
+(static function () {
+    $extConf = GeneralUtility::makeInstance(ExtensionConfiguration::class);
+    if (! empty($extConf->getBaseUrl())) {
+        $rendererRegistry = GeneralUtility::makeInstance(RendererRegistry::class);
+        $rendererRegistry->registerRendererClass(VimpRenderer::class);
         unset($rendererRegistry);
 
         $GLOBALS['TYPO3_CONF_VARS']['SYS']['mediafile_ext'] .= ',vimp';
         $GLOBALS['TYPO3_CONF_VARS']['SYS']['FileInfo']['fileExtensionToMimeType']['vimp'] = 'video/vimp';
-        $GLOBALS['TYPO3_CONF_VARS']['SYS']['fal']['onlineMediaHelpers']['vimp'] = \BTU\BtuVimp\Helpers\VimpHelper::class;
+        $GLOBALS['TYPO3_CONF_VARS']['SYS']['fal']['onlineMediaHelpers']['vimp'] = VimpHelper::class;
     }
 })();
diff --git a/ext_tables.php b/ext_tables.php
index d152bfa..11a47af 100644
--- a/ext_tables.php
+++ b/ext_tables.php
@@ -1,13 +1,18 @@
 <?php
-defined('TYPO3_MODE') || die();
+declare(strict_types=1);
+
+use TYPO3\CMS\Core\Imaging\IconProvider\BitmapIconProvider;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+defined('TYPO3') || die();
 
 (static function () {
-    $iconRegistry = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
+    $iconRegistry = GeneralUtility::makeInstance(
         \TYPO3\CMS\Core\Imaging\IconRegistry::class
     );
     $iconRegistry->registerIcon(
         'mimetypes-media-video-vimp',
-        \TYPO3\CMS\Core\Imaging\IconProvider\BitmapIconProvider::class,
+        BitmapIconProvider::class,
         ['source' => 'EXT:btu_vimp/Resources/Public/Icons/mimetypes/media-video-vimp.png']
     );
     $iconRegistry->registerMimeTypeIcon(