thanks i got a few warnings ans errors. Here are the filtered errors and warnings<div><br></div><div><br></div><div><div>0:01:13.207532067   329  0x8e74988 WARN      gstrtpjitterbuffer gstrtpjitterbuffer.c:1779:gst_rtp_jitter_buffer_loop:&lt;rtpjitterbuffer0&gt; Packet #33534 lost</div>
<div>0:01:13.208184172   329  0x8e74988 ERROR                 ffmpeg :0:: warning: first frame is no keyframe</div><div>0:01:30.379314932   329  0x8e74988 WARN      gstrtpjitterbuffer gstrtpjitterbuffer.c:1779:gst_rtp_jitter_buffer_loop:&lt;rtpjitterbuffer0&gt; Packet #33697 lost</div>
<div>0:01:30.379901386   329  0x8e74988 ERROR                 ffmpeg :0:: warning: first frame is no keyframe</div><div>0:01:52.568809318   329  0x8e74988 WARN      gstrtpjitterbuffer gstrtpjitterbuffer.c:1779:gst_rtp_jitter_buffer_loop:&lt;rtpjitterbuffer0&gt; Packet #33897 lost</div>
<div>0:01:52.569519321   329  0x8e74988 ERROR                 ffmpeg :0:: warning: first frame is no keyframe</div><div>^CCaught interrupt -- handling interrupt.</div><div>Interrupt: Stopping pipeline ...</div><div>EOS on shutdown enabled -- Forcing EOS on the pipeline</div>
<div>0:02:19.438585442   329  0x8e74988 ERROR                 ffmpeg :0:: ac-tex damaged at 14 11</div><div>0:02:19.438643620   329  0x8e74988 ERROR                 ffmpeg :0:: Error at MB: 190</div><div><br></div><div>0:02:19.511434849   329  0x8e263d8 WARN                     bin gstbin.c:2312:gst_bin_do_latency_func:&lt;pipeline0&gt; warning: Impossible to configure latency: max 0:00:</div>
<br><div class="gmail_quote">On Tue, Aug 16, 2011 at 12:16 PM, arnaud tonda <span dir="ltr">&lt;<a href="mailto:arnaud.tonda@gmail.com">arnaud.tonda@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
No idea about this, could you check debug informations from gstreamer by adding &quot;GST_DEBUG=2&quot; before your command line?<div>check if there is some warnings on elements.</div><div><br></div><div>if you have some more traces post it here, it could be easier to debug.</div>

<div><br></div><div>best regards</div><div><br></div><div>Arnaud Tonda</div><div><br><div class="gmail_quote"><div><div></div><div class="h5">2011/8/16 Thabelo Mmbengeni <span dir="ltr">&lt;<a href="mailto:thabelo@gmail.com" target="_blank">thabelo@gmail.com</a>&gt;</span><br>

</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div></div><div class="h5">I am having this command line for 4 local video sources <div><br></div><div>
<div>(1)</div><div>THIS WORKS</div><div> gst-launch -e \</div>
<div>   videomixer name=mix <span style="white-space:pre-wrap">        </span>sink_0::zorder=0 \</div>
<div><span style="white-space:pre-wrap">                                                </span>sink_1::xpos=5       sink_1::ypos=5 <span style="white-space:pre-wrap">                </span>sink_1::alpha=1 <span style="white-space:pre-wrap">        </span>sink_1::zorder=1 <span style="white-space:pre-wrap">        </span>\</div>


<div><span style="white-space:pre-wrap">                                                </span>sink_2::xpos=595       sink_2::ypos=5 <span style="white-space:pre-wrap">                </span>sink_2::alpha=1 <span style="white-space:pre-wrap">        </span>sink_2::zorder=2 <span style="white-space:pre-wrap">        </span>\</div>


<div><span style="white-space:pre-wrap">                                                </span>sink_3::xpos=5       sink_3::ypos=395 <span style="white-space:pre-wrap">        </span>sink_3::alpha=1 <span style="white-space:pre-wrap">        </span>sink_3::zorder=3 <span style="white-space:pre-wrap">        </span>\</div>


<div><span style="white-space:pre-wrap">                                                </span>sink_4::xpos=475 <span style="white-space:pre-wrap">        </span>sink_4::ypos=355 <span style="white-space:pre-wrap">        </span>sink_4::alpha=1 <span style="white-space:pre-wrap">        </span>sink_4::zorder=4 ! <span style="white-space:pre-wrap">        </span>\</div>


<div>   <span style="white-space:pre-wrap">        </span>ffmpegcolorspace ! xvimagesink \</div><div>   <span style="white-space:pre-wrap">        </span>videotestsrc pattern=3 ! video/x-raw-yuv, framerate=10/1, width=800, height=600 ! mix.sink_0 \</div>


<div>   <span style="white-space:pre-wrap">        </span>videotestsrc pattern=1 ! video/x-raw-yuv, framerate=10/1, width=200, height=200 ! mix.sink_1 \</div><div>   <span style="white-space:pre-wrap">        </span>videotestsrc pattern=2 ! video/x-raw-yuv, framerate=10/1, width=200, height=200 ! mix.sink_2 \</div>


<div><span style="white-space:pre-wrap">        </span>videotestsrc pattern=2 ! video/x-raw-yuv, framerate=10/1, width=200, height=200 ! mix.sink_3 \</div><div>   <span style="white-space:pre-wrap">        </span>v4l2src ! video/x-raw-yuv,width=320,height=240 ! ffmpegcolorspace ! mix.sink_4</div>


<div><br></div><div>  And I also have this one for a camera streaming rtsp</div><div><br></div><div><div>(2)THIS WORKS</div><div>gst-launch-0.10 -e \</div>
<div><span style="white-space:pre-wrap">        </span>rtspsrc location=rtsp://<a href="http://root:icontrol@192.168.0.93/mpeg4/media.amp" target="_blank">root:icontrol@192.168.0.93/mpeg4/media.amp</a> ! \</div><div><span style="white-space:pre-wrap">                </span>rtpmp4vdepay ! mpeg4videoparse ! ffdec_mpeg4 ! xvimagesink</div>


</div><div><br></div><div>(3)THIS DOESN&#39;T WORK: after changing one sink_3 to read from the rtsp stream FROM AN AXIS CAMERA, commandline just hangs.</div>
<div><br></div><div><div> gst-launch -e \</div><div>   videomixer name=mix <span style="white-space:pre-wrap">        </span>sink_0::zorder=0 \</div><div><span style="white-space:pre-wrap">                                                </span>sink_1::xpos=5 <span style="white-space:pre-wrap">                </span>sink_1::ypos=5 <span style="white-space:pre-wrap">                </span>sink_1::alpha=1 <span style="white-space:pre-wrap">        </span>sink_1::zorder=1 <span style="white-space:pre-wrap">        </span>\</div>


<div><span style="white-space:pre-wrap">                                                </span>sink_2::xpos=595<span style="white-space:pre-wrap">        </span>sink_2::ypos=5 <span style="white-space:pre-wrap">                </span>sink_2::alpha=1 <span style="white-space:pre-wrap">        </span>sink_2::zorder=2 <span style="white-space:pre-wrap">        </span>\</div>


<div><span style="white-space:pre-wrap">                                                </span>sink_3::xpos=5 <span style="white-space:pre-wrap">                </span>sink_3::ypos=395 <span style="white-space:pre-wrap">        </span>sink_3::alpha=1 <span style="white-space:pre-wrap">        </span>sink_3::zorder=3 <span style="white-space:pre-wrap">        </span>\</div>


<div><span style="white-space:pre-wrap">                                                </span>sink_4::xpos=595 <span style="white-space:pre-wrap">        </span>sink_4::ypos=395 <span style="white-space:pre-wrap">        </span>sink_4::alpha=1 <span style="white-space:pre-wrap">        </span>sink_4::zorder=4 ! <span style="white-space:pre-wrap">        </span>\</div>


<div>   <span style="white-space:pre-wrap">        </span>ffmpegcolorspace ! xvimagesink \</div><div>   <span style="white-space:pre-wrap">        </span>videotestsrc pattern=3 ! video/x-raw-yuv, framerate=10/1, width=800, height=600 ! mix.sink_0 \</div>


<div>   <span style="white-space:pre-wrap">        </span>videotestsrc pattern=1 ! video/x-raw-yuv, framerate=10/1, width=200, height=200 ! mix.sink_1 \</div><div>   <span style="white-space:pre-wrap">        </span>videotestsrc pattern=2 ! video/x-raw-yuv, framerate=10/1, width=200, height=200 ! mix.sink_2 \</div>


<div><span style="white-space:pre-wrap">        </span>rtspsrc location=rtsp://<a href="http://my_username:my_password@192.168.0.93/mpeg4/media.amp" target="_blank">my_username:my_password@192.168.0.93/mpeg4/media.amp</a> ! rtpmp4vdepay ! mpeg4videoparse ! ffdec_mpeg4 ! mix.sink_3 \</div>


<div>   <span style="white-space:pre-wrap">        </span>v4l2src ! video/x-raw-yuv,width=320,height=240 ! ffmpegcolorspace ! mix.sink_4</div><div><br></div></div><font color="#888888"><div><br></div>-- <br>Regards<br><br>Thabelo Mmbengeni (TMT Services Cape Town HO, Engineering dep)<br>



</font></div>
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<br></blockquote></div><br>
</div>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>Regards<br><br>Thabelo Mmbengeni (TMT Services Cape Town HO, Engineering dep)<br>
</div>