linking pads from multiqueue to splitmuxsink?

[killerrats]

I have successfully linked the pads. when I use the "pad-added" signal for
video and audio will not link. If i use the "pad-added" for audio only and
link the video pad before the signal will work like i was doing before. for
example:

setup the main pipeline
link the main pipeline including the multiqueue to splitmuxsink for video
setup the signal for splitmuxsink

void cb_new_Multiqueue_pad(GstElement* element, GstPad* pad, gpointer data)
{
	gchar *name;
	gchar *fromCaps;
	GstPad* sinkPad = NULL;
	GstCaps * p_caps;
	GstElement* nextElement = nullptr;
	DvtelPipeline* pipe = static_cast<DvtelPipeline*>(data);
	name = gst_pad_get_name(pad);
	p_caps = gst_pad_get_pad_template_caps(pad);
	fromCaps = gst_caps_to_string(p_caps);
	g_print("A new pad %s was created\n", name);
	g_print("\r\ncaps are %" GST_PTR_FORMAT, fromCaps);
	g_print("\r\n");

	if (strstr(name, "src") == NULL)
		goto End;

	if (strstr(name, "src_2") != NULL)
	{
		std::cout << "\n------------------------ multiqueue audio
-------------------------------\n";

		nextElement = gst_bin_get_by_name(GST_BIN(pipe->srcPipeline),
"splitmuxsink");
		if (nextElement != NULL)
		{
			sinkPad = pipe->RequestingPadFromElement(nextElement, "audio_1");

			pipe->LinkingThePads(pad,sinkPad);
			gst_object_unref(nextElement);
		}
	}
	else
	{
		g_print("Couldn't find video or audio in caps from string\n");
	}

End:
	{
	    g_free(fromCaps);
	    g_free(name);
	    gst_caps_unref(p_caps);
            gst_object_unref(sinkPad);
	}
}



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Gstreamer 1.14.3
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Windows
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