I had an answer in SO: http://stackoverflow.com/questions/28540591/create-a-pipeline-in-callback-funtion-gstreamer/28541953#28541953 -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/create-a-pipeline-in-a-callback-funtion-tp4670673p4670778.html Sent from the GStreamer-devel mailing list archive at Nabble.com.