Hi, yes, the bug issue Stephan suggested didn't help so much, bund of code hard to see. Forrest, could you give me an example please? I don't get it. Thanks and regards Rossana <div class="gmail_quote"> 2012/2/27 forestzhu <<a href="mailto:forest0823@126.com">forest0823@126.com</a>> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Rossana , I ever met the same issue. It turns to be the bug of video-sink. FYI: You 'd better change the uri in the main thread, and add change state READY ,change state PLAYING around it. Forrest -- View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/Does-about-to-finish-signal-work-for-video-files-tp4415640p4424110.html" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/Does-about-to-finish-signal-work-for-video-files-tp4415640p4424110.html</a> Sent from the GStreamer-devel mailing list archive at Nabble.com. _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div>