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<div class="moz-cite-prefix">Are you providing caps to your appsrc?
I can't remember if appsrc will delay the caps event until the
first buffer or not so that may be a reason.<br>
<br>
On 5/8/20 5:55 am, Anton Pryima wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAKaSWJwF3+enN5z4TBnCA2AouDAXzjLxHUK=4=uqoMkjiiaq_g@mail.gmail.com">
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<div dir="ltr">Hello all.<br>
<div><br>
</div>
<div>I have a pipe:</div>
<div>appsrc->rtph264pay->webrtcbin.sink</div>
<div><br>
</div>
<div>But, when I setting up everything, and pipeline is not
running yet, I received an error: </div>
<div>DEBUG webrtcbin
gstwebrtcbin.c:5722:gst_webrtc_bin_change_state: changing
state: NULL => READY<br>
LOG webrtcbin
gstwebrtcbin.c:1341:_check_if_negotiation_is_needed:<sendonly>
checking if negotiation is needed<br>
LOG webrtcbin
gstwebrtcbin.c:1346:_check_if_negotiation_is_needed:<sendonly>
no negotiation possible until caps have been received on all
sink pads<br>
</div>
<div><br>
</div>
<div>After that, I'm starting pipeline and it working fine, no
issues:</div>
<div><br>
DEBUG webrtcbin
gstwebrtcbin.c:5722:gst_webrtc_bin_change_state: changing
state: READY => PAUSED<br>
DEBUG webrtcbin
gstwebrtcbin.c:5722:gst_webrtc_bin_change_state: changing
state: PAUSED => PLAYING<br>
</div>
<div><br>
</div>
<div>And that's all. No more on-negotiation-needed callback.
Nothing.</div>
<div><br>
</div>
<div>How to proceed further with webrtc connection? How to
re-init it after the pipeline is running to make it call
on-negotiation-needed callback?</div>
<div><br>
</div>
<div>Thank you in advance,</div>
<div>Best regards,</div>
<div>Anton.</div>
</div>
<br>
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</blockquote>
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