webrtc: Padname src_0 is not unique in element webrtcbin0, not adding

[Matthew Waters]

webrtcbin currently supports some reconfiguration scenarios.  Format 
changing (e.g. H264 to VP8) however is not one of those scenarios.

Cheers
-Matt

On 10/1/21 9:31 pm, Anton Pryima wrote:
> Hello,
> As for now, as I understand, gstwebrtcbin is not support live 
> reconfiguration. So, I was managed to change streams from one to 
> another but it must have the same format (if initial negotiation was 
> for ex. h264 you can change stream to any h264).
> To any other format, you need to reestablish connection again.
>
> Best regards,
> Anton.
>
> On Sat, Jan 9, 2021, 15:00 coreykernel <corey at kernellabs.io 
> <mailto:corey at kernellabs.io>> wrote:
>
>     Hey Anton,
>
>     Did you ever resolve your issue. I'm getting a similar mline error
>     when I
>     try to send a 2nd offer after adding the new stream:
>
>     webrtc_sink = gst_element_get_request_pad(webrtc, "sink_1");
>     ret = gst_pad_link(q3_src, webrtc_sink);
>     g_assert_cmphex(ret, ==, GST_PAD_LINK_OK);
>     promise = gst_promise_new_with_change_func(on_offer_created, NULL,
>     NULL);
>     g_signal_emit_by_name(G_OBJECT(webrtc), "create-offer", NULL,
>     promise);
>
>     The on_offer_created callback is never called and I get an error:
>
>     ERROR:../ext/webrtc/gstwebrtcbin.c:2304:sdp_media_from_transceiver:
>     assertion failed: (trans->mline == -1 || trans->mline == media_idx)
>     Bail out!
>     ERROR:../ext/webrtc/gstwebrtcbin.c:2304:sdp_media_from_transceiver:
>     assertion failed: (trans->mline == -1 || trans->mline == media_idx)
>
>     Do I need to remove the original stream that I am replacing? Or is
>     it OK to
>     send two streams to the peer?
>
>
>
>     --
>     Sent from: http://gstreamer-devel.966125.n4.nabble.com/
>     <http://gstreamer-devel.966125.n4.nabble.com/>
>     _______________________________________________
>     gstreamer-devel mailing list
>     gstreamer-devel at lists.freedesktop.org
>     <mailto:gstreamer-devel at lists.freedesktop.org>
>     https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>     <https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel>
>
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20210111/1105eb0c/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 495 bytes
Desc: OpenPGP digital signature
URL: <https://lists.freedesktop.org/archives/gstreamer-devel/attachments/20210111/1105eb0c/attachment.sig>