gstreamer/examples/snippets.c

#include <gst/gst.h>

static void
link_to_multiplexer (GstPad * tolink_pad, GstElement * mux)
{
  GstPad *pad;
  gchar *srcname, *sinkname;

  srcname = gst_pad_get_name (tolink_pad);
  pad = gst_element_get_compatible_pad (mux, tolink_pad, NULL);
  gst_pad_link (tolink_pad, pad);
  sinkname = gst_pad_get_name (pad);
  gst_object_unref (GST_OBJECT (pad));

  g_print ("A new pad %s was created and linked to %s\n", sinkname, srcname);
  g_free (sinkname);
  g_free (srcname);
}

static void
some_function (GstElement * tee)
{
  GstPad *pad;
  gchar *name;

  pad = gst_element_request_pad_simple (tee, "src%d");
  name = gst_pad_get_name (pad);
  g_print ("A new pad %s was created\n", name);
  g_free (name);

  /* here, you would link the pad */

  /* [..] */

  /* and, after doing that, free our reference */
  gst_object_unref (GST_OBJECT (pad));
}