thanks Tim-Philipp Müller-2 i got the answer already. now i understand how to use gmainloop thank you very much -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/how-to-solve-jpegdec-problem-tp4657648p4657738.html Sent from the GStreamer-devel mailing list archive at Nabble.com.