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<div class="moz-cite-prefix">It sounds like you're attempting a
renegotiation of the stream format for the same mline. That is
currently an entirely unsupported reconfiguration scenario :).
For now should add a new stream and remove the old stream if you
want to change formats.<br>
<br>
Cheers<br>
-Matt<br>
<br>
On 3/10/20 4:09 am, Anton Pryima wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAKaSWJxxL=SUXn3KeBb9TzXk3Tm+7aDrp5iFgQjyfPifm4+KSA@mail.gmail.com">
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<div dir="ltr">Hello all.<br>
<div><br>
</div>
<div>I have an issue with the webrtcbin and changing pipes. </div>
<div>My sender is:</div>
<div><br>
</div>
<div>appsrc->parser->payer->webrtcbin</div>
<div><br>
</div>
<div>My receiver is:</div>
<div><br>
</div>
<div>webrtcbin->depayer->parser->decodebin->autovideosink.</div>
<div><br>
</div>
<div>My app source can push 2 kinds of samples: H264 and H265. I
start my send/recv pipelines on the H264 codec. </div>
<div>Then, when the pipeline is PLAYING and I have the h265
sample, I put a blocking probe and dynamically reconfigure the
sending pipe to <b>appsrc->h265parser->h265payer->webrtcbin</b>.
And everything is fine and my sending pipe continues working.</div>
<div>On the receiving side, I've got the signal through the data
channel about codec change from the sending side and
configure my receiving pipeline to<b>
webrtcbin->h265depay->h265parse->decodebin->autovideosink</b>.</div>
<div>But right after that, I hove:</div>
<div> <b>GStreamer-CRITICAL **: 16:24:34.926: Padname src_0 is
not unique in element webrtcbin0, not adding</b><br>
</div>
<div>Error and frames stop flowing through webrtc src_0 pad.</div>
<div><br>
</div>
<div>Can anyone suggest what am I doing wrong and how to
resolve this?</div>
<div><br>
</div>
<div>Best regards,</div>
<div>Anton.</div>
</div>
<br>
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