Instead of using two filesrc use "multifilesrc" plugin. For multifile sink file names to be indexed properly. -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/gstreamer-elements-are-processed-in-a-random-order-tp4676054p4676057.html Sent from the GStreamer-devel mailing list archive at Nabble.com.