version is 1.81 . I tried to version 1.9, is the same.I used the GST - player.This is a big problem. -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/play-mp4-bad-tp4678424p4678452.html Sent from the GStreamer-devel mailing list archive at Nabble.com.