Thanks again. Okay, I create the QGst::bufferPtr now inside the virtual QGst::FlowReturn newBuffer() function -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/How-to-get-pointer-to-a-gstBuffer-with-QtGSTreamer-tp4564129p4570361.html Sent from the GStreamer-devel mailing list archive at Nabble.com.