Moved get_config out of for loop

filter.php

@@ -43,6 +43,12 @@ class filter_opencast extends moodle_text_filter {
     public function filter($text, array $options = array()) {
         global $PAGE;
 
+        // Get baseurl either from engageurl setting or from opencast tool.
+        $baseurl = get_config('filter_opencast', 'engageurl');
+        if (empty($baseurl)) {
+            $baseurl = get_config('tool_opencast', 'apiurl');
+        }
+
         if (stripos($text, '</video>') === false) {
             // Performance shortcut - if there are no </video> tags, nothing can match.
             return $text;
@@ -73,12 +79,6 @@ class filter_opencast extends moodle_text_filter {
                     $video = false;
                     if (substr($match, 0, 7) === "<source") {
 
-                        // Get baseurl either from engageurl setting or from opencast tool.
-                        $baseurl = get_config('filter_opencast', 'engageurl');
-                        if (empty($baseurl)) {
-                            $baseurl = get_config('tool_opencast', 'apiurl');
-                        }
-
                         // Check if video is from opencast.
                         if (strpos($match, $baseurl) === false) {
                             continue;