caoxi wrote > What's the full pipeline? can you provide more details? Sure It is something like this: https://pastebin.com/SVEZHcWG -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Free-memory-in-the-thread-tp4682624p4682627.html Sent from the GStreamer-devel mailing list archive at Nabble.com.