<table cellpadding=3 cellspacing=0 border=0 width=100% bgcolor=white><tr valign=top><td width=100%>hi , yeah i have a custom video sink where i call the display frame api of hardware decoder in show_frame function i have initilaised the basesink's render , preroll method to show_frame function i am also having a get_times function in the videosink for audio i am using osssink. ok if the videosink is incorrect then why the manual pipeline works fine with av sync(if i link the elements by code) one more thing ......... since the video decoder already puts decoded data in hardware frame buffer , so i am just passing fake buffer ( 16 byte fake data) with timestamp and duration (from qtdemux) to downstream element from video decoder . can u help me in resolving this issue --- On Tue 08/21, Andy Wingo < wingo@pobox.com > wrote: <BLOCKQUOTE style="PADDING-LEFT: 7px; MARGIN-LEFT: 7px; BORDER-LEFT: orange 2px solid">From: Andy Wingo [mailto: wingo@pobox.com] To: digitaldsp@excite.com Cc: gstreamer-devel@lists.sourceforge.net Date: Tue, 21 Aug 2007 22:55:01 +0200 Subject: Re: [gst-devel] problem in using playbin Hello, "pritesh" <DIGITALDSP@EXCITE.COM>writes: > but av sync is missing in paused state itself some video frames are displayed In the paused state, no audio is played, so sync is not a problem > and when i set state to playing the audio lags video This can only be the case if either (1) your timestamps are incorrect, or (2) you have custom sinks that are not respecting the clocks. > but when i create the pipeline using decodebin only then av sync is > proper is this a preroll problem or videosink problem Seems to indicate problems in your sinks. Regards, Andy. -- http://wingolog.org/ </BLOCKQUOTE></td></tr></table><hr>Join Excite! - <a href=http://www.excite.com target=_blank>http://www.excite.com</a> The most personalized portal on the Web!