C++ (Cpp) kms_element_link_pads Examples

Example #1

File: rtpendpoint.c Project: oldcookie/gst-kurento-plugins

static gboolean
connect_output_sink (gpointer data)
{
  GstElement *pipeline = data;
  GstElement *rtpendpointreceiver = gst_bin_get_by_name (GST_BIN (pipeline),
      "receiver");
  GstElement *outputfakesink = gst_element_factory_make ("fakesink", NULL);
  GMainLoop *loop = g_object_get_data (G_OBJECT (pipeline), "loop");
  GstElement *agnosticbin = gst_bin_get_by_name (GST_BIN (pipeline),
      "agnosticbin");
  GstElement *rtpendpointsender = gst_bin_get_by_name (GST_BIN (pipeline),
      "sender");

  gst_element_link_pads (agnosticbin, NULL, rtpendpointsender, "video_sink");
  g_object_unref (agnosticbin);
  g_object_unref (rtpendpointsender);

  g_object_set (G_OBJECT (outputfakesink), "signal-handoffs", TRUE, NULL);
  g_signal_connect (G_OBJECT (outputfakesink), "handoff",
      G_CALLBACK (fakesink_hand_off), loop);

  gst_bin_add (GST_BIN (pipeline), outputfakesink);
  gst_element_sync_state_with_parent (outputfakesink);

  kms_element_link_pads (rtpendpointreceiver, "video_src_%u", outputfakesink,
      "sink");

  g_object_unref (rtpendpointreceiver);

  return FALSE;
}

Example #2

File: rtpendpoint_video.c Project: KurentoLegacy/gst-kurento-plugins

static void
test_video_sendonly (const gchar * video_enc_name, GstStaticCaps expected_caps,
    const gchar * pattern_sdp_sendonly_str,
    const gchar * pattern_sdp_recvonly_str, gboolean play_after_negotiation)
{
  HandOffData *hod;
  GMainLoop *loop = g_main_loop_new (NULL, TRUE);
  GstSDPMessage *pattern_sdp, *offer, *answer;
  GstElement *pipeline = gst_pipeline_new (NULL);
  GstElement *videotestsrc = gst_element_factory_make ("videotestsrc", NULL);
  GstElement *video_enc = gst_element_factory_make (video_enc_name, NULL);
  GstElement *rtpendpointsender =
      gst_element_factory_make ("rtpendpoint", NULL);
  GstElement *rtpendpointreceiver =
      gst_element_factory_make ("rtpendpoint", NULL);
  GstElement *outputfakesink = gst_element_factory_make ("fakesink", NULL);

  GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));

  gst_bus_add_watch (bus, gst_bus_async_signal_func, NULL);
  g_signal_connect (bus, "message", G_CALLBACK (bus_msg), pipeline);
  g_object_unref (bus);

  fail_unless (gst_sdp_message_new (&pattern_sdp) == GST_SDP_OK);
  fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
          pattern_sdp_sendonly_str, -1, pattern_sdp) == GST_SDP_OK);
  g_object_set (rtpendpointsender, "pattern-sdp", pattern_sdp, NULL);
  fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);

  fail_unless (gst_sdp_message_new (&pattern_sdp) == GST_SDP_OK);
  fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
          pattern_sdp_recvonly_str, -1, pattern_sdp) == GST_SDP_OK);
  g_object_set (rtpendpointreceiver, "pattern-sdp", pattern_sdp, NULL);
  fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);

  hod = g_slice_new (HandOffData);
  hod->expected_caps = expected_caps;
  hod->loop = loop;

  g_object_set (G_OBJECT (outputfakesink), "signal-handoffs", TRUE, NULL);
  g_signal_connect (G_OBJECT (outputfakesink), "handoff",
      G_CALLBACK (fakesink_hand_off), hod);

  /* Add elements */
  gst_bin_add_many (GST_BIN (pipeline), videotestsrc, video_enc,
      rtpendpointsender, NULL);
  gst_element_link (videotestsrc, video_enc);
  gst_element_link_pads (video_enc, NULL, rtpendpointsender, "video_sink");

  gst_bin_add_many (GST_BIN (pipeline), rtpendpointreceiver, outputfakesink,
      NULL);
  kms_element_link_pads (rtpendpointreceiver, "video_src_%u", outputfakesink,
      "sink");

  if (!play_after_negotiation)
    gst_element_set_state (pipeline, GST_STATE_PLAYING);

  /* SDP negotiation */
  mark_point ();
  g_signal_emit_by_name (rtpendpointsender, "generate-offer", &offer);
  fail_unless (offer != NULL);

  mark_point ();
  g_signal_emit_by_name (rtpendpointreceiver, "process-offer", offer, &answer);
  fail_unless (answer != NULL);

  mark_point ();
  g_signal_emit_by_name (rtpendpointsender, "process-answer", answer);
  gst_sdp_message_free (offer);
  gst_sdp_message_free (answer);

  if (play_after_negotiation)
    gst_element_set_state (pipeline, GST_STATE_PLAYING);

  GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
      GST_DEBUG_GRAPH_SHOW_ALL, "test_sendonly_before_entering_loop");

  mark_point ();
  g_main_loop_run (loop);
  mark_point ();

  GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
      GST_DEBUG_GRAPH_SHOW_ALL, "test_sendonly_end");

  gst_element_set_state (pipeline, GST_STATE_NULL);
  g_object_unref (pipeline);
  g_slice_free (HandOffData, hod);

  g_main_loop_unref (loop);
}