Exemplos de GST_SIGNAL_PROCESSOR em C++ (Cpp)

Exemplo n.º 1

Arquivo: gstladspa.c Projeto: drothlis/gst-plugins-bad

static void
gst_ladspa_set_property (GObject * object, guint prop_id, const GValue * value,
    GParamSpec * pspec)
{
  GstSignalProcessor *gsp;
  GstSignalProcessorClass *gsp_class;

  gsp = GST_SIGNAL_PROCESSOR (object);
  gsp_class = GST_SIGNAL_PROCESSOR_GET_CLASS (object);

  /* remember, properties have an offset of 1 */
  prop_id--;

  /* only input ports */
  g_return_if_fail (prop_id < gsp_class->num_control_in);

  /* now see what type it is */
  switch (pspec->value_type) {
    case G_TYPE_BOOLEAN:
      gsp->control_in[prop_id] = g_value_get_boolean (value) ? 1.f : 0.f;
      break;
    case G_TYPE_INT:
      gsp->control_in[prop_id] = g_value_get_int (value);
      break;
    case G_TYPE_FLOAT:
      gsp->control_in[prop_id] = g_value_get_float (value);
      break;
    default:
      g_assert_not_reached ();
  }
}

Exemplo n.º 2

Arquivo: gstlv2.c Projeto: JJCG/gst-plugins-bad

static void
gst_lv2_get_property (GObject * object, guint prop_id, GValue * value,
    GParamSpec * pspec)
{
#if 0
  GstSignalProcessor *gsp;
  GstSignalProcessorClass *gsp_class;
  gfloat *controls;

  gsp = GST_SIGNAL_PROCESSOR (object);
  gsp_class = GST_SIGNAL_PROCESSOR_GET_CLASS (object);

  /* remember, properties have an offset of 1 */
  prop_id--;

  if (prop_id < gsp_class->num_control_in) {
    controls = gsp->control_in;
  } else if (prop_id < gsp_class->num_control_in + gsp_class->num_control_out) {
    controls = gsp->control_out;
    prop_id -= gsp_class->num_control_in;
  } else {
    g_return_if_reached ();
  }

  /* now see what type it is */
  switch (pspec->value_type) {
    case G_TYPE_BOOLEAN:
      g_value_set_boolean (value, controls[prop_id] > 0.5);
      break;
    case G_TYPE_INT:
      g_value_set_int (value, CLAMP (controls[prop_id], G_MININT, G_MAXINT));
      break;
    case G_TYPE_FLOAT:
      g_value_set_float (value, controls[prop_id]);
      break;
    default:
      g_return_if_reached ();
  }
#endif
}