<div dir="ltr"><div>It is clear that you're having a format issue when you're adding the videomixer. What happens if you place a deinterlace element before the videomixer?</div><div class="gmail_extra"> <div class="gmail_quote">2014-12-13 18:46 GMT+01:00 Bernhard Graaf <<a href="mailto:bernhard.graaf@gmx.de" target="_blank">bernhard.graaf@gmx.de</a>>:<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div lang="DE" link="blue" vlink="blue"> <div> See attached files <div> <div class="MsoNormal" align="center" style="text-align:center"> <hr size="2" width="100%" align="center"> </div> Von: gstreamer-devel [mailto:<a href="mailto:gstreamer-devel-bounces@lists.freedesktop.org" target="_blank">gstreamer-devel-bounces@lists.freedesktop.org</a>] Im Auftrag von Sérgio Agostinho Gesendet: Samstag, 13. Dezember 2014 18:23<div><div> An: Discussion of the development of and with GStreamer Betreff: Re: dynamic videomixing</div></div> </div><div><div> <div> Paste the console output of your pipeline <div> gst-launch-1.0 -v tcpclientsrc host='192.168.1.4' port=12000 ! queue2 ! decodebin name=decoder decoder. ! queue ! audioconvert ! audioresample ! pulsesink decoder. ! queue ! videoconvert ! xvimagesink and also with the videomixer <div> </div> <div> gst-launch-1.0 -v tcpclientsrc host='192.168.1.4' port=12000 ! queue2 ! decodebin name=decoder decoder. ! queue ! audioconvert ! audioresample ! pulsesink decoder. ! queue ! videoconvert ! videomixer ! xvimagesink </div> </div> <div> </div> <div> </div> </div> <div> <div> 2014-12-13 18:12 GMT+01:00 Bernhard Graaf <<a href="mailto:bernhard.graaf@gmx.de" target="_blank">bernhard.graaf@gmx.de</a>>: <div link="blue" vlink="blue"> <div> Hi Sèrgio, I have checked this. If I try to test the pipeline with gst-launch, I get the same result (whatever position, before queue, after queue, after videoconvert). gst-launch-1.0 -vvv tcpclientsrc host='192.168.1.4' port=12000 ! queue2 ! decodebin name=decoder decoder. ! queue ! audioconvert ! audioresample ! pulsesink decoder. ! queue ! videoconvert ! xvimagesink The pipeline is hanging. If I remove only the videomixer, the pipeline is working well. The gst_pad_link() returned ‘GST_PAD_LINK_NOFORMAT’. Any Idea? Bernhard <div> <div class="MsoNormal" align="center" style="text-align:center"> <hr size="2" width="100%" align="center"> </div> Von: gstreamer-devel [mailto:<a href="mailto:gstreamer-devel-bounces@lists.freedesktop.org" target="_blank">gstreamer-devel-bounces@lists.freedesktop.org</a>] Im Auftrag von Sérgio Agostinho Gesendet: Samstag, 13. Dezember 2014 16:38 An: Discussion of the development of and with GStreamer Betreff: Re: dynamic videomixing </div> <div> <div> Hi Bernhard, </div> <div> <div> <div> </div> <div> I've tested the pipeline below and it works so the answer to your initial question is, yes you can have only one sink pad in the video mixer </div> <div> gst-launch-1.0 -ev v4l2src ! videomixer ! xvimagesink </div> <div> </div> <div> Regarding the second question. </div> <div> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#gst-pad-link" target="_blank">gst_pad_link()</a> returns the reason why the link failed, and it is normally quite descriptive as you can see on </div> <div> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstPadLinkReturn" target="_blank">http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstPadLinkReturn</a> . Try to see what it is returning in your case. </div> <div> </div> <div> Also have you tried to test your pipeline in gst-launch with the video mixer? </div> <div> </div> <div> Sérgio </div> </div> </div> </div> </div> </div> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">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> </div> </div> </div></div></div> </div> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">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></div></div>