diff --git a/getPreview.php b/getPreview.php
index cd363f8..bd27ef2 100644
--- a/getPreview.php
+++ b/getPreview.php
@@ -102,8 +102,9 @@ while(true)
     file_put_contents($imageFileName, file_get_contents($previewURL, false, $globalData['sslContext']));
     echo "done\n";
 
-    system("ffmpeg -f image2 -framerate 2 -i /data/images/%07d.jpg -r 25 -vcodec libx264 -y /data/images/video.mp4");
-    sleep(300);
+    $imageRawData = "";
+    system("ffmpeg -f image2 -framerate 3 -i /data/images/%07d.jpg -r 25 -vcodec libx264 -y /data/images/video.mp4");
+    sleep(180);
 }
 
 ?>
\ No newline at end of file