Hello Caoxi thanks for your reply may be I wasn't clear enoght: - I'm not about using other plugins to make my treatement, I'll write my own code to generate outputs streams Thank you -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/N-to-N-plugin-tp4682689p4682691.html Sent from the GStreamer-devel mailing list archive at Nabble.com.