Hi, I think your pipeline is not consistent. For decklinkvideosink, mode 3 is "PAL SD 50i" which is a framerate of 50fps. Your capsfilter is specified as 25fps. -Andres -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/Gapless-playback-tp4678818p4678961.html Sent from the GStreamer-devel mailing list archive at Nabble.com.