output-selector

[Hector Canto]

Could it be related with the unactive branch, no data is flowing through it
and that may cause the hanging.

If you remove the branch it work fine, isn't it?


2012/4/5 Stefan Sauer <ensonic at hora-obscura.de>

> **
> On 04/05/2012 06:55 AM, Garth Tissington wrote:
>
> Hello,
>
>  I've looked through all the references I can find related to
> output-selector - including output-selector-tests.c.  I still cannot get it
> to work.
>
>  I'm using this pipline
>
>  *videotestsrc is-live=true num-buffers=30 !*
> * ffmpegcolorspace !*
> * timeoverlay !*
>  * ffmpegcolorspace !
>  output-selector name=os *
> * os. ! queue ! ffmpegcolorspace ! autovideosink *
> * os.** ! qu*eue ! ffmpegcolorspace ! autovideosink
>
>
>
>  after the pipeline is assembled I issue
>
>
>  g_object_get (G_OBJECT (sel), "active-pad", &srcpad1, NULL);
>
>  and
>
>  gst_element_set_state (pipeline, GST_STATE_PLAYING);
>
>
>  Everything works fine if I take the output selector out.  However, with
> the output-selector there one videosink is displayed but the video is not
> updates.  just a static snap shot.  After num-buffers=30 expires the
> pipeline end. and the application closes normally.  So, the clock appears
> to be running, one frame got through to the sink but no more.
>
> My gut feeling is that the sinks wait for prereoll buffers, which they
> should not as you use a livesrc, could you
> 1.) try that with a v4l2src
> 2.) try sync=false on the sinks?
> This is just to narrow it down. Also run your app with GST_DEBUG="*:2" to
> check if gstreamer posts some warnings.
>
> Stefan
>
>
>  Interestingly if I change num-buffers to 90 then the program hangs and
> does not exit after 3 seconds as expected.  Does this mean the queue is
> full?
>
>  Any ideas?
>
>  Anyone know a real world example where output-selector is being used.
>
>  Thanks,
>
>  Garth Tissington
> 250 891 4797
> ---
>
>  Given sufficient thrust pigs fly just fine.
>
>
> _______________________________________________
> gstreamer-devel mailing listgstreamer-devel at lists.freedesktop.orghttp://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
>
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
>


-- 
----
Héctor Canto
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20121108/eca9fc09/attachment.html>