CC-4984: Exception for replaygain

-fixed

airtime_mvc/application/controllers/ApiController.php

@@ -947,6 +947,10 @@ class ApiController extends Zend_Controller_Action
 
     public function updateReplayGainValueAction()
     {
+        // disable the view and the layout
+        $this->view->layout()->disableLayout();
+        $this->_helper->viewRenderer->setNoRender(true);
+
         $request = $this->getRequest();
         $data = json_decode($request->getParam('data'));
 

python_apps/pypo/media/update/replaygainupdater.py

@@ -55,6 +55,7 @@ class ReplayGainUpdater(Thread):
                     for f in files:
                         full_path = os.path.join(dir_path, f['fp'])
                         processed_data.append((f['id'], replaygain.calculate_replay_gain(full_path)))
+                        total += 1
 
                     try:
                         self.api_client.update_replay_gain_values(processed_data)