Implementing a media player using Gstreamer: Mapping the STOPPED state

Mandeep Sandhu mandeepsandhu.chd at
Fri Dec 7 02:16:41 PST 2012

On Thu, Dec 6, 2012 at 5:31 PM, Mandeep Sandhu
<mandeepsandhu.chd at> wrote:
> BUT, in the scenario where I'm going from PLAYING->NULL, I see the
> element debugs indicating transition from PLAYING to NULL state, but
> no message appears on the bus!!! How can this happen? Won't the same
> transitions be put on the bus as well?
> Now if I set the pipeline to PLAYING again, the transitions happen and
> messages start reappearing on the bus. But after 1-2 secs of playback
> the video output simply freezes and there's nothing in the debugs to
> indicate an error. For the application, everything looks hunky-dory!

BTW, this problem is now fixed by switching to using playbin2 element.


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