Hi ! Thx for your answer :), Where can I look in my code if there is a shared state ? Regards, Anthony. -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Problem-with-the-same-custom-element-multiple-times-tp4671995p4672088.html Sent from the GStreamer-devel mailing list archive at Nabble.com.