Did you set the appsrc "format" property to GST_FORMAT_TIME instead of the default GST_FORMAT_BYTES? -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Appsrc-buffer-timestamping-problems-tp4682567p4682571.html Sent from the GStreamer-devel mailing list archive at Nabble.com.