Exemplo n.º 1
0
static gboolean
gst_wildmidi_activate (GstPad * sinkpad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (!gst_pad_peer_query (sinkpad, query)) {
    gst_query_unref (query);
    goto activate_push;
  }

  pull_mode = gst_query_has_scheduling_mode_with_flags (query,
      GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);
  gst_query_unref (query);

  if (!pull_mode)
    goto activate_push;

  GST_DEBUG_OBJECT (sinkpad, "activating pull");
  return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, TRUE);

activate_push:
  {
    GST_DEBUG_OBJECT (sinkpad, "activating push");
    return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, TRUE);
  }
}
Exemplo n.º 2
0
static void
fake_demuxer_prepare_pads (GstBin * pipeline, GstElement * demux,
    GstValidateRunner * runner)
{
  gint i = 0;
  GList *tmp;

  fail_unless (g_list_length (demux->srcpads), 3);

  for (tmp = demux->srcpads; tmp; tmp = tmp->next) {
    GstPad *new_peer;
    gchar *name = g_strdup_printf ("sink-%d", i++);
    GstElement *sink = gst_element_factory_make ("fakesink", name);

    gst_bin_add (pipeline, sink);

    new_peer = sink->sinkpads->data;
    gst_pad_link (tmp->data, new_peer);
    gst_element_set_state (sink, GST_STATE_PLAYING);
    gst_pad_activate_mode (tmp->data, GST_PAD_MODE_PUSH, TRUE);

    g_free (name);
  }

  fail_unless (gst_pad_activate_mode (demux->sinkpads->data, GST_PAD_MODE_PUSH,
          TRUE));
}
Exemplo n.º 3
0
static gboolean
gst_ghost_pad_internal_activate_pull_default (GstPad * pad, GstObject * parent,
    gboolean active)
{
  gboolean ret;
  GstPad *other;

  GST_LOG_OBJECT (pad, "%sactivate pull on %s:%s", (active ? "" : "de"),
      GST_DEBUG_PAD_NAME (pad));

  if (GST_PAD_DIRECTION (pad) == GST_PAD_SRC) {
    /* we are activated in pull mode by our peer element, which is a sinkpad
     * that wants to operate in pull mode. This activation has to propagate
     * upstream through the pipeline. We call the internal activation function,
     * which will trigger gst_ghost_pad_activate_pull_default, which propagates even
     * further upstream */
    GST_LOG_OBJECT (pad, "pad is src, activate internal");
    GST_PROXY_PAD_ACQUIRE_INTERNAL (pad, other, FALSE);
    ret = gst_pad_activate_mode (other, GST_PAD_MODE_PULL, active);
    GST_PROXY_PAD_RELEASE_INTERNAL (other);
  } else if (G_LIKELY ((other = gst_pad_get_peer (pad)))) {
    /* We are SINK, the ghostpad is SRC, we propagate the activation upstream
     * since we hold a pointer to the upstream peer. */
    GST_LOG_OBJECT (pad, "activating peer");
    ret = gst_pad_activate_mode (other, GST_PAD_MODE_PULL, active);
    gst_object_unref (other);
  } else {
    /* this is failure, we can't activate pull if there is no peer */
    GST_LOG_OBJECT (pad, "not src and no peer, failing");
    ret = FALSE;
  }

  return ret;
}
Exemplo n.º 4
0
static gboolean
gst_ghost_pad_activate_pull_default (GstPad * pad, GstObject * parent,
    gboolean active)
{
  gboolean ret;
  GstPad *other;

  GST_LOG_OBJECT (pad, "%sactivate pull on %s:%s", (active ? "" : "de"),
      GST_DEBUG_PAD_NAME (pad));

  if (GST_PAD_DIRECTION (pad) == GST_PAD_SRC) {
    /* the ghostpad is SRC and activated in pull mode by its peer, call the
     * activation function of the internal pad to propagate the activation
     * upstream */
    GST_LOG_OBJECT (pad, "pad is src, activate internal");
    GST_PROXY_PAD_ACQUIRE_INTERNAL (pad, other, FALSE);
    ret = gst_pad_activate_mode (other, GST_PAD_MODE_PULL, active);
    GST_PROXY_PAD_RELEASE_INTERNAL (other);
  } else if (G_LIKELY ((other = gst_pad_get_peer (pad)))) {
    /* We are SINK and activated by the internal pad, propagate activation
     * upstream because we hold a ref to the upstream peer */
    GST_LOG_OBJECT (pad, "activating peer");
    ret = gst_pad_activate_mode (other, GST_PAD_MODE_PULL, active);
    gst_object_unref (other);
  } else {
    /* no peer, we fail */
    GST_LOG_OBJECT (pad, "pad not src and no peer, failing");
    ret = FALSE;
  }

  return ret;
}
static gboolean
gst_type_find_element_activate_sink (GstPad * pad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (!gst_pad_peer_query (pad, query)) {
    gst_query_unref (query);
    goto typefind_push;
  }

  pull_mode = gst_query_has_scheduling_mode_with_flags (query,
      GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);

  gst_query_unref (query);

  if (!pull_mode)
    goto typefind_push;

  if (!gst_pad_activate_mode (pad, GST_PAD_MODE_PULL, TRUE))
    goto typefind_push;

  /* only start our task if we ourselves decide to start in pull mode */
  return gst_pad_start_task (pad, (GstTaskFunction) gst_type_find_element_loop,
      pad, NULL);

typefind_push:
  {
    return gst_pad_activate_mode (pad, GST_PAD_MODE_PUSH, TRUE);
  }
}
Exemplo n.º 6
0
static gboolean
gst_asf_parse_sink_activate (GstPad * sinkpad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (!gst_pad_peer_query (sinkpad, query)) {
    gst_query_unref (query);
    goto activate_push;
  }

  pull_mode = gst_query_has_scheduling_mode (query, GST_PAD_MODE_PULL);
  gst_query_unref (query);

  if (!pull_mode)
    goto activate_push;

  GST_DEBUG_OBJECT (sinkpad, "activating pull");
  return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, TRUE);

activate_push:
  {
    GST_DEBUG_OBJECT (sinkpad, "activating push");
    return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, TRUE);
  }
}
Exemplo n.º 7
0
static void
_test_flow_aggregation (GstFlowReturn flow, GstFlowReturn flow1,
    GstFlowReturn flow2, GstFlowReturn demux_flow, gboolean should_fail)
{
  GstPad *srcpad;
  GstValidateReport *report;
  GstValidatePadMonitor *pmonitor, *pmonitor1, *pmonitor2;
  GstElement *demuxer = fake_demuxer_new ();
  GstBin *pipeline = GST_BIN (gst_pipeline_new ("validate-pipeline"));
  GList *reports;
  GstValidateRunner *runner;
  GstValidateMonitor *monitor;

  fail_unless (g_setenv ("GST_VALIDATE_REPORTING_DETAILS", "all", TRUE));
  runner = gst_validate_runner_new ();
  monitor = gst_validate_monitor_factory_create (GST_OBJECT (pipeline),
      runner, NULL);
  gst_validate_reporter_set_handle_g_logs (GST_VALIDATE_REPORTER (monitor));

  gst_bin_add (pipeline, demuxer);
  fake_demuxer_prepare_pads (pipeline, demuxer, runner);

  srcpad = gst_pad_new ("srcpad1", GST_PAD_SRC);
  gst_pad_link (srcpad, demuxer->sinkpads->data);
  fail_unless (gst_pad_activate_mode (srcpad, GST_PAD_MODE_PUSH, TRUE));
  gst_check_setup_events_with_stream_id (srcpad, demuxer, NULL,
      GST_FORMAT_TIME, "the-stream");

  pmonitor = _get_pad_monitor (gst_pad_get_peer (demuxer->srcpads->data));
  pmonitor1 =
      _get_pad_monitor (gst_pad_get_peer (demuxer->srcpads->next->data));
  pmonitor2 =
      _get_pad_monitor (gst_pad_get_peer (demuxer->srcpads->next->next->data));

  pmonitor->last_flow_return = flow;
  pmonitor1->last_flow_return = flow1;
  pmonitor2->last_flow_return = flow2;
  FAKE_DEMUXER (demuxer)->return_value = demux_flow;

  fail_unless_equals_int (gst_pad_push (srcpad, gst_buffer_new ()), demux_flow);

  reports = gst_validate_runner_get_reports (runner);
  if (should_fail) {
    assert_equals_int (g_list_length (reports), 1);
    report = reports->data;
    fail_unless_equals_int (report->level, GST_VALIDATE_REPORT_LEVEL_CRITICAL);
    fail_unless_equals_int (report->issue->issue_id, WRONG_FLOW_RETURN);
  } else {
    assert_equals_int (g_list_length (reports), 0);

  }

  g_list_free_full (reports, (GDestroyNotify) gst_validate_report_unref);
  clean_bus (GST_ELEMENT (pipeline));

  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
  ASSERT_OBJECT_REFCOUNT (pipeline, "ours", 1);
  check_destroyed (pipeline, demuxer, NULL);
  check_destroyed (monitor, pmonitor, NULL);
}
static gboolean
gst_type_find_element_activate_src_mode (GstPad * pad, GstObject * parent,
    GstPadMode mode, gboolean active)
{
  gboolean res;
  GstTypeFindElement *typefind;

  typefind = GST_TYPE_FIND_ELEMENT (parent);

  switch (mode) {
    case GST_PAD_MODE_PULL:
      /* make sure our task stops pushing, we can't call _stop here because this
       * activation might happen from the streaming thread. */
      gst_pad_pause_task (typefind->sink);
      res = gst_pad_activate_mode (typefind->sink, mode, active);
      if (active && res && typefind->caps) {
        GstCaps *caps;
        GST_OBJECT_LOCK (typefind);
        caps = gst_caps_ref (typefind->caps);
        GST_OBJECT_UNLOCK (typefind);
        res = gst_pad_set_caps (typefind->src, caps);
        gst_caps_unref (caps);
      }
      break;
    default:
      res = TRUE;
      break;
  }
  return res;
}
Exemplo n.º 9
0
static gboolean
gst_rnd_buffer_size_activate (GstPad * pad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (!gst_pad_peer_query (pad, query)) {
    gst_query_unref (query);
    goto no_pull;
  }

  pull_mode = gst_query_has_scheduling_mode (query, GST_PAD_MODE_PULL);
  gst_query_unref (query);

  if (!pull_mode)
    goto no_pull;

  GST_DEBUG_OBJECT (pad, "activating pull");
  return gst_pad_activate_mode (pad, GST_PAD_MODE_PULL, TRUE);

  /* ERRORS */
no_pull:
  {
    GST_DEBUG_OBJECT (pad, "pull mode not supported");
    return FALSE;
  }
}
Exemplo n.º 10
0
static gboolean
gst_raw_parse_sink_activate (GstPad * sinkpad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode = FALSE;

  query = gst_query_new_scheduling ();

  if (gst_pad_peer_query (sinkpad, query))
    pull_mode = gst_query_has_scheduling_mode_with_flags (query,
        GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);

  gst_query_unref (query);

  if (pull_mode) {
    GST_DEBUG ("going to pull mode");
    return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, TRUE);
  } else {
    GST_DEBUG ("going to push (streaming) mode");
    return gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, TRUE);
  }
}
Exemplo n.º 11
0
static GstPad *
gst_tcp_mix_src_request_new_pad (GstElement * element, GstPadTemplate * templ,
    const gchar * unused, const GstCaps * caps)
{
  GstTCPMixSrc *src = GST_TCP_MIX_SRC (element);
  GstPad *srcpad;
  gchar *name;
  gboolean res;
  int num;

  //g_print ("%s:%d: %s\n", __FILE__, __LINE__, __FUNCTION__);

  GST_INFO_OBJECT (src, "Requesting new pad %s.%s (caps: %s)",
      GST_ELEMENT_NAME (src), GST_PAD_TEMPLATE_NAME_TEMPLATE (templ),
      gst_caps_to_string (caps));

  GST_OBJECT_LOCK (src);
  num = g_list_length (GST_ELEMENT_PADS (src));
  name = g_strdup_printf ("src_%u", num);
  srcpad = GST_PAD_CAST (g_object_new (GST_TYPE_TCP_MIX_SRC_PAD,
          "name", name, "direction", templ->direction, "template", templ,
          NULL));
  g_free (name);
  GST_OBJECT_UNLOCK (src);


  // see: gst_tcp_mix_src_activate_push
  gst_pad_set_active (srcpad, TRUE);
  gst_pad_activate_mode (srcpad, GST_PAD_MODE_PUSH, TRUE);

  gst_pad_set_activatemode_function (srcpad,
      (GstPadActivateModeFunction) gst_tcp_mix_src_activate_mode);
  gst_pad_set_query_function (srcpad, gst_tcp_mix_src_query);
  gst_pad_set_event_function (srcpad, gst_tcp_mix_src_event);
  gst_pad_set_getrange_function (srcpad, gst_tcp_mix_src_getrange);

  //GST_OBJECT_FLAG_SET (srcpad, GST_PAD_FLAG_PROXY_CAPS);

  //INFO ("add-pad: %s.%s", GST_ELEMENT_NAME (src), GST_PAD_NAME (srcpad));
  res = gst_element_add_pad (GST_ELEMENT_CAST (src), srcpad);

  gst_tcp_mix_src_start (src, GST_TCP_MIX_SRC_PAD (srcpad));

  if (G_UNLIKELY (!res)) {
    GST_ERROR_OBJECT (src, "Failed to add new pad");
  }

  return srcpad;
}
Exemplo n.º 12
0
static gboolean
gst_rnd_buffer_size_activate (GstPad * pad, GstObject * parent)
{
  GstQuery *query;
  gboolean pull_mode;

  query = gst_query_new_scheduling ();

  if (gst_pad_peer_query (pad, query))
    pull_mode = gst_query_has_scheduling_mode_with_flags (query,
        GST_PAD_MODE_PULL, GST_SCHEDULING_FLAG_SEEKABLE);
  else
    pull_mode = FALSE;

  gst_query_unref (query);

  if (pull_mode) {
    GST_DEBUG_OBJECT (pad, "activating pull");
    return gst_pad_activate_mode (pad, GST_PAD_MODE_PULL, TRUE);
  } else {
    GST_DEBUG_OBJECT (pad, "activating push");
    return gst_pad_activate_mode (pad, GST_PAD_MODE_PUSH, TRUE);
  }
}
Exemplo n.º 13
0
static gboolean
gst_ghost_pad_internal_activate_push_default (GstPad * pad, GstObject * parent,
    gboolean active)
{
  gboolean ret;
  GstPad *other;

  GST_LOG_OBJECT (pad, "%sactivate push on %s:%s, we're ok",
      (active ? "" : "de"), GST_DEBUG_PAD_NAME (pad));

  /* in both cases (SRC and SINK) we activate just the internal pad. The targets
   * will be activated later (or already in case of a ghost sinkpad). */
  other = GST_PROXY_PAD_INTERNAL (pad);
  ret = gst_pad_activate_mode (other, GST_PAD_MODE_PUSH, active);

  return ret;
}
Exemplo n.º 14
0
static gboolean
gst_ghost_pad_activate_push_default (GstPad * pad, GstObject * parent,
    gboolean active)
{
  gboolean ret;
  GstPad *other;

  g_return_val_if_fail (GST_IS_GHOST_PAD (pad), FALSE);

  GST_LOG_OBJECT (pad, "%sactivate push on %s:%s, proxy internal",
      (active ? "" : "de"), GST_DEBUG_PAD_NAME (pad));

  /* just activate the internal pad */
  other = GST_PROXY_PAD_INTERNAL (pad);
  ret = gst_pad_activate_mode (other, GST_PAD_MODE_PUSH, active);

  return ret;
}
Exemplo n.º 15
0
static gboolean on_activate(GstPad* pad, GstObject* parent) {
  gst_pad_activate_mode(pad,GST_PAD_MODE_PUSH,TRUE);

  GstTagList* list = gst_tag_list_new_empty();
  GValue value;
  memset(&value,0,sizeof(value));
  g_value_init(&value,G_TYPE_DOUBLE);
  fprintf(stderr,"bwub setting gain/peak %f %f %f\n",
          g_activate_gain.peak, g_activate_gain.gain,
          g_activate_gain.level);
  g_value_set_double(&value,g_activate_gain.gain*2);
  gst_tag_list_add_value(list, GST_TAG_MERGE_REPLACE, GST_TAG_TRACK_GAIN, &value);
  gst_tag_list_add_value(list, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM_GAIN, &value);
  g_value_set_double(&value,g_activate_gain.peak*2);
  gst_tag_list_add_value(list,  GST_TAG_MERGE_REPLACE, GST_TAG_TRACK_PEAK, &value);
  gst_tag_list_add_value(list,  GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM_PEAK, &value);
  g_value_set_double(&value,g_activate_gain.level);
  gst_tag_list_add_value(list,  GST_TAG_MERGE_REPLACE, GST_TAG_REFERENCE_LEVEL, &value);
  assert(TRUE==gst_pad_send_event(pad,gst_event_new_tag(list)));

  return TRUE;
}
Exemplo n.º 16
0
static void
_check_media_info (GstSegment * segment, BufferDesc * bufs)
{
  GList *reports;
  GstEvent *segev;
  GstBuffer *buffer;
  GstElement *decoder;
  GstPad *srcpad, *sinkpad;
  GstValidateReport *report;
  GstValidateMonitor *monitor;
  GstValidateRunner *runner;
  GstMediaDescriptor *mdesc;

  GError *err = NULL;
  gint i, num_issues = 0;

  fail_unless (g_setenv ("GST_VALIDATE_REPORTING_DETAILS", "all", TRUE));
  runner = gst_validate_runner_new ();

  mdesc = (GstMediaDescriptor *)
      gst_media_descriptor_parser_new_from_xml (runner, media_info, &err);

  decoder = fake_decoder_new ();
  monitor = gst_validate_monitor_factory_create (GST_OBJECT (decoder),
      runner, NULL);
  gst_validate_monitor_set_media_descriptor (monitor, mdesc);

  srcpad = gst_pad_new ("src", GST_PAD_SRC);
  sinkpad = decoder->sinkpads->data;
  ASSERT_OBJECT_REFCOUNT (sinkpad, "decoder ref", 1);
  fail_unless (gst_pad_activate_mode (srcpad, GST_PAD_MODE_PUSH, TRUE));
  fail_unless_equals_int (gst_element_set_state (decoder, GST_STATE_PLAYING),
      GST_STATE_CHANGE_SUCCESS);

  assert_equals_string (gst_pad_link_get_name (gst_pad_link (srcpad, sinkpad)),
      gst_pad_link_get_name (GST_PAD_LINK_OK));

  gst_check_setup_events_with_stream_id (srcpad, decoder,
      gst_caps_from_string ("video/x-fake"), GST_FORMAT_TIME, "the-stream");


  if (segment) {
    segev = gst_event_new_segment (segment);
    fail_unless (gst_pad_push_event (srcpad, segev));
  }

  for (i = 0; bufs[i].content != NULL; i++) {
    BufferDesc *buf = &bufs[i];
    buffer = _create_buffer (buf);

    assert_equals_string (gst_flow_get_name (gst_pad_push (srcpad, buffer)),
        gst_flow_get_name (GST_FLOW_OK));
    reports = gst_validate_runner_get_reports (runner);

    num_issues += buf->num_issues;
    assert_equals_int (g_list_length (reports), num_issues);

    if (buf->num_issues) {
      GList *tmp = g_list_nth (reports, num_issues - buf->num_issues);

      while (tmp) {
        report = tmp->data;

        fail_unless_equals_int (report->level,
            GST_VALIDATE_REPORT_LEVEL_WARNING);
        fail_unless_equals_int (report->issue->issue_id, WRONG_BUFFER);
        tmp = tmp->next;
      }
    }
  }

  /* clean up */
  fail_unless (gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PUSH, FALSE));
  fail_unless_equals_int (gst_element_set_state (decoder, GST_STATE_NULL),
      GST_STATE_CHANGE_SUCCESS);

  gst_object_unref (srcpad);
  check_destroyed (decoder, sinkpad, NULL);
  check_destroyed (runner, NULL, NULL);
}
Exemplo n.º 17
0
static void
_create_issues (GstValidateRunner * runner)
{
  GstPad *srcpad1, *srcpad2, *sinkpad, *funnel_sink1, *funnel_sink2;
  GstElement *src1, *src2, *sink, *fakemixer;
  GstSegment segment;

  src1 = create_and_monitor_element ("fakesrc2", "fakesrc1", runner);
  src2 = create_and_monitor_element ("fakesrc2", "fakesrc2", runner);
  fakemixer = create_and_monitor_element ("fakemixer", "fakemixer", runner);
  sink = create_and_monitor_element ("fakesink", "fakesink", runner);

  srcpad1 = gst_element_get_static_pad (src1, "src");
  srcpad2 = gst_element_get_static_pad (src2, "src");
  funnel_sink1 = gst_element_get_request_pad (fakemixer, "sink_%u");
  funnel_sink2 = gst_element_get_request_pad (fakemixer, "sink_%u");
  sinkpad = gst_element_get_static_pad (sink, "sink");

  fail_unless (gst_element_link (fakemixer, sink));
  fail_unless (gst_pad_link (srcpad1, funnel_sink1) == GST_PAD_LINK_OK);
  fail_unless (gst_pad_link (srcpad2, funnel_sink2) == GST_PAD_LINK_OK);

  /* We want to handle the src behaviour ourselves */
  fail_unless (gst_pad_activate_mode (srcpad1, GST_PAD_MODE_PUSH, TRUE));
  fail_unless (gst_pad_activate_mode (srcpad2, GST_PAD_MODE_PUSH, TRUE));

  /* Setup all needed events */
  gst_segment_init (&segment, GST_FORMAT_TIME);
  segment.start = 0;
  segment.stop = GST_SECOND;

  fail_unless (gst_pad_push_event (srcpad1,
          gst_event_new_stream_start ("the-stream")));
  fail_unless (gst_pad_push_event (srcpad1, gst_event_new_segment (&segment)));

  fail_unless (gst_pad_push_event (srcpad2,
          gst_event_new_stream_start ("the-stream")));
  fail_unless (gst_pad_push_event (srcpad2, gst_event_new_segment (&segment)));

  fail_unless_equals_int (gst_element_set_state (fakemixer, GST_STATE_PLAYING),
      GST_STATE_CHANGE_SUCCESS);
  fail_unless_equals_int (gst_element_set_state (sink, GST_STATE_PLAYING),
      GST_STATE_CHANGE_ASYNC);

  /* Send an unexpected flush stop */
  _gst_check_expecting_log = TRUE;
  fail_unless (gst_pad_push_event (srcpad1, gst_event_new_flush_stop (TRUE)));

  /* Once again but on the other fakemixer sink */
  fail_unless (gst_pad_push_event (srcpad2, gst_event_new_flush_stop (TRUE)));

  /* clean up */
  fail_unless (gst_pad_activate_mode (srcpad1, GST_PAD_MODE_PUSH, FALSE));
  fail_unless (gst_pad_activate_mode (srcpad2, GST_PAD_MODE_PUSH, FALSE));
  fail_unless_equals_int (gst_element_set_state (fakemixer, GST_STATE_NULL),
      GST_STATE_CHANGE_SUCCESS);
  fail_unless_equals_int (gst_element_set_state (sink, GST_STATE_NULL),
      GST_STATE_CHANGE_SUCCESS);

  gst_object_unref (srcpad1);
  gst_object_unref (srcpad2);
  gst_object_unref (sinkpad);
  gst_object_unref (funnel_sink1);
  gst_object_unref (funnel_sink2);
  gst_check_objects_destroyed_on_unref (fakemixer, funnel_sink1, funnel_sink2,
      NULL);
  gst_check_objects_destroyed_on_unref (src1, srcpad1, NULL);
  gst_check_objects_destroyed_on_unref (src2, srcpad2, NULL);
  gst_check_objects_destroyed_on_unref (sink, sinkpad, NULL);
}
static GstPad *
gst_tee_request_new_pad (GstElement * element, GstPadTemplate * templ,
    const gchar * name_templ, const GstCaps * caps)
{
  gchar *name;
  GstPad *srcpad;
  GstTee *tee;
  GstPadMode mode;
  gboolean res;
  guint index = 0;

  tee = GST_TEE (element);

  GST_DEBUG_OBJECT (tee, "requesting pad");

  GST_OBJECT_LOCK (tee);

  if (name_templ) {
    sscanf (name_templ, "src_%u", &index);
    GST_LOG_OBJECT (element, "name: %s (index %d)", name_templ, index);
    if (g_hash_table_contains (tee->pad_indexes, GUINT_TO_POINTER (index))) {
      GST_ERROR_OBJECT (element, "pad name %s is not unique", name_templ);
      GST_OBJECT_UNLOCK (tee);
      return NULL;
    }
    if (index >= tee->next_pad_index)
      tee->next_pad_index = index + 1;
  } else {
    index = tee->next_pad_index;

    while (g_hash_table_contains (tee->pad_indexes, GUINT_TO_POINTER (index)))
      index++;

    tee->next_pad_index = index + 1;
  }

  g_hash_table_insert (tee->pad_indexes, GUINT_TO_POINTER (index), NULL);

  name = g_strdup_printf ("src_%u", index);

  srcpad = GST_PAD_CAST (g_object_new (GST_TYPE_TEE_PAD,
          "name", name, "direction", templ->direction, "template", templ,
          NULL));
  GST_TEE_PAD_CAST (srcpad)->index = index;
  g_free (name);

  mode = tee->sink_mode;

  GST_OBJECT_UNLOCK (tee);

  switch (mode) {
    case GST_PAD_MODE_PULL:
      /* we already have a src pad in pull mode, and our pull mode can only be
         SINGLE, so fall through to activate this new pad in push mode */
    case GST_PAD_MODE_PUSH:
      res = gst_pad_activate_mode (srcpad, GST_PAD_MODE_PUSH, TRUE);
      break;
    default:
      res = TRUE;
      break;
  }

  if (!res)
    goto activate_failed;

  gst_pad_set_activatemode_function (srcpad,
      GST_DEBUG_FUNCPTR (gst_tee_src_activate_mode));
  gst_pad_set_query_function (srcpad, GST_DEBUG_FUNCPTR (gst_tee_src_query));
  gst_pad_set_getrange_function (srcpad,
      GST_DEBUG_FUNCPTR (gst_tee_src_get_range));
  /* Forward sticky events to the new srcpad */
  gst_pad_sticky_events_foreach (tee->sinkpad, forward_sticky_events, srcpad);
  GST_OBJECT_FLAG_SET (srcpad, GST_PAD_FLAG_PROXY_CAPS);
  gst_element_add_pad (GST_ELEMENT_CAST (tee), srcpad);

  return srcpad;

  /* ERRORS */
activate_failed:
  {
    gboolean changed = FALSE;

    GST_OBJECT_LOCK (tee);
    GST_DEBUG_OBJECT (tee, "warning failed to activate request pad");
    if (tee->allocpad == srcpad) {
      tee->allocpad = NULL;
      changed = TRUE;
    }
    GST_OBJECT_UNLOCK (tee);
    gst_object_unref (srcpad);
    if (changed) {
      gst_tee_notify_alloc_pad (tee);
    }
    return NULL;
  }
}
static gboolean
gst_tee_src_activate_mode (GstPad * pad, GstObject * parent, GstPadMode mode,
    gboolean active)
{
  GstTee *tee;
  gboolean res;
  GstPad *sinkpad;

  tee = GST_TEE (parent);

  switch (mode) {
    case GST_PAD_MODE_PULL:
    {
      GST_OBJECT_LOCK (tee);

      if (tee->pull_mode == GST_TEE_PULL_MODE_NEVER)
        goto cannot_pull;

      if (tee->pull_mode == GST_TEE_PULL_MODE_SINGLE && active && tee->pull_pad)
        goto cannot_pull_multiple_srcs;

      sinkpad = gst_object_ref (tee->sinkpad);

      GST_OBJECT_UNLOCK (tee);

      res = gst_pad_activate_mode (sinkpad, GST_PAD_MODE_PULL, active);
      gst_object_unref (sinkpad);

      if (!res)
        goto sink_activate_failed;

      GST_OBJECT_LOCK (tee);
      if (active) {
        if (tee->pull_mode == GST_TEE_PULL_MODE_SINGLE)
          tee->pull_pad = pad;
      } else {
        if (pad == tee->pull_pad)
          tee->pull_pad = NULL;
      }
      tee->sink_mode = (active ? GST_PAD_MODE_PULL : GST_PAD_MODE_NONE);
      GST_OBJECT_UNLOCK (tee);
      break;
    }
    default:
      res = TRUE;
      break;
  }

  return res;

  /* ERRORS */
cannot_pull:
  {
    GST_OBJECT_UNLOCK (tee);
    GST_INFO_OBJECT (tee, "Cannot activate in pull mode, pull-mode "
        "set to NEVER");
    return FALSE;
  }
cannot_pull_multiple_srcs:
  {
    GST_OBJECT_UNLOCK (tee);
    GST_INFO_OBJECT (tee, "Cannot activate multiple src pads in pull mode, "
        "pull-mode set to SINGLE");
    return FALSE;
  }
sink_activate_failed:
  {
    GST_INFO_OBJECT (tee, "Failed to %sactivate sink pad in pull mode",
        active ? "" : "de");
    return FALSE;
  }
}
static gboolean
gst_type_find_element_activate_sink (GstPad * pad, GstObject * parent)
{
  GstTypeFindElement *typefind;
  GstQuery *query;
  gboolean pull_mode;
  GstCaps *found_caps = NULL;
  GstTypeFindProbability probability = GST_TYPE_FIND_NONE;
  GstSchedulingFlags sched_flags;

  typefind = GST_TYPE_FIND_ELEMENT (parent);

  /* if we have force caps, use those */
  GST_OBJECT_LOCK (typefind);
  if (typefind->force_caps) {
    found_caps = gst_caps_ref (typefind->force_caps);
    probability = GST_TYPE_FIND_MAXIMUM;
    GST_OBJECT_UNLOCK (typefind);

    GST_DEBUG ("Emiting found caps %" GST_PTR_FORMAT, found_caps);
    g_signal_emit (typefind, gst_type_find_element_signals[HAVE_TYPE],
        0, probability, found_caps);
    typefind->mode = MODE_NORMAL;
    /* the signal above could have made a downstream element activate
     * the pad in pull mode, we check if the pad is already active now and if
     * so, we are done */
    if (gst_pad_is_active (pad))
      return TRUE;

    goto typefind_push;
  }
  GST_OBJECT_UNLOCK (typefind);

  query = gst_query_new_scheduling ();

  if (!gst_pad_peer_query (pad, query)) {
    gst_query_unref (query);
    goto typefind_push;
  }

  gst_query_parse_scheduling (query, &sched_flags, NULL, NULL, NULL);

  pull_mode = gst_query_has_scheduling_mode (query, GST_PAD_MODE_PULL)
      && ((sched_flags & GST_SCHEDULING_FLAG_SEEKABLE) != 0);

  gst_query_unref (query);

  if (!pull_mode)
    goto typefind_push;

  if (!gst_pad_activate_mode (pad, GST_PAD_MODE_PULL, TRUE))
    goto typefind_push;

  /* only start our task if we ourselves decide to start in pull mode */
  return gst_pad_start_task (pad, (GstTaskFunction) gst_type_find_element_loop,
      pad, NULL);

typefind_push:
  {
    return gst_pad_activate_mode (pad, GST_PAD_MODE_PUSH, TRUE);
  }
}