<HTML><HEAD><META http-equiv=Content-Type content="text/html; charset=iso-8859-1"></head><body><HTML><HEAD><META http-equiv=Content-Type content="text/html; charset=iso-8859-1"></head><body>Hello all,         I am using Playbin to play mp4 files.  Everything is playing fine with the AV sync. Actuctly we have to change the Video and the audio driver, And also need to pluging the Hardware video and the audio codecs. By do this will it effect any thing to the AV-sync. So I would like to know where the AV-sync is happening in the Gstreamer. Is it in the Gstreamer or at the Driver level. It would be help if some experts through some light.   Thanks, Vikram R</body></html></body></html>