Esempi in C++ (Cpp) per GES_SMART_ADDER

Esempio n. 1

File: ges-smart-adder.c Progetto: lubosz/gst-editing-services

/****************************************************
 *              GstElement vmetods                  *
 ****************************************************/
static GstPad *
_request_new_pad (GstElement * element, GstPadTemplate * templ,
    const gchar * name, const GstCaps * caps)
{
  GstPad *audioresample_srcpad, *audioconvert_sinkpad, *tmpghost;
  GstPad *ghost;
  GstElement *audioconvert, *audioresample;
  PadInfos *infos = g_slice_new0 (PadInfos);
  GESSmartAdder *self = GES_SMART_ADDER (element);

  infos->adder_pad = gst_element_request_pad (self->adder, templ, NULL, caps);
  if (infos->adder_pad == NULL) {
    GST_WARNING_OBJECT (element, "Could not get any pad from GstAdder");

    return NULL;
  }

  infos->self = self;

  infos->bin = gst_bin_new (NULL);
  audioconvert = gst_element_factory_make ("audioconvert", NULL);
  audioresample = gst_element_factory_make ("audioresample", NULL);

  gst_bin_add_many (GST_BIN (infos->bin), audioconvert, audioresample, NULL);
  gst_element_link_many (audioconvert, audioresample, NULL);

  audioconvert_sinkpad = gst_element_get_static_pad (audioconvert, "sink");
  tmpghost = GST_PAD (gst_ghost_pad_new (NULL, audioconvert_sinkpad));
  gst_object_unref (audioconvert_sinkpad);
  gst_pad_set_active (tmpghost, TRUE);
  gst_element_add_pad (GST_ELEMENT (infos->bin), tmpghost);

  gst_bin_add (GST_BIN (self), infos->bin);
  ghost = gst_ghost_pad_new (NULL, tmpghost);
  gst_pad_set_active (ghost, TRUE);
  if (!gst_element_add_pad (GST_ELEMENT (self), ghost))
    goto could_not_add;

  audioresample_srcpad = gst_element_get_static_pad (audioresample, "src");
  tmpghost = GST_PAD (gst_ghost_pad_new (NULL, audioresample_srcpad));
  gst_object_unref (audioresample_srcpad);
  gst_pad_set_active (tmpghost, TRUE);
  gst_element_add_pad (GST_ELEMENT (infos->bin), tmpghost);
  gst_pad_link (tmpghost, infos->adder_pad);

  LOCK (self);
  g_hash_table_insert (self->pads_infos, ghost, infos);
  UNLOCK (self);

  GST_DEBUG_OBJECT (self, "Returning new pad %" GST_PTR_FORMAT, ghost);
  return ghost;

could_not_add:
  {
    GST_ERROR_OBJECT (self, "could not add pad");
    destroy_pad (infos);
    return NULL;
  }
}

Esempio n. 2

File: ges-smart-adder.c Progetto: lubosz/gst-editing-services

static void
_release_pad (GstElement * element, GstPad * pad)
{
  GST_DEBUG_OBJECT (element, "Releasing pad %" GST_PTR_FORMAT, pad);

  LOCK (element);
  g_hash_table_remove (GES_SMART_ADDER (element)->pads_infos, pad);
  UNLOCK (element);
}

Esempio n. 3

File: ges-smart-adder.c Progetto: lubosz/gst-editing-services

/****************************************************
 *              GObject vmethods                    *
 ****************************************************/
static void
ges_smart_adder_finalize (GObject * object)
{
  GESSmartAdder *self = GES_SMART_ADDER (object);

  g_mutex_clear (&self->lock);

  G_OBJECT_CLASS (ges_smart_adder_parent_class)->finalize (object);
}

Esempio n. 4

File: ges-smart-adder.c Progetto: MathieuDuponchelle/PitiviGes

/****************************************************
 *              GObject vmethods                    *
 ****************************************************/
static void
ges_smart_adder_dispose (GObject * object)
{
  GESSmartAdder *self = GES_SMART_ADDER (object);

  if (self->pads_infos) {
    g_hash_table_unref (self->pads_infos);
    self->pads_infos = NULL;
  }

  G_OBJECT_CLASS (ges_smart_adder_parent_class)->dispose (object);
}