C++ (Cpp) g_value_array_remove Examples

Example #1

File: interleave.c Project: lubing521/gst-embedded-builder

static void
gst_interleave_release_pad (GstElement * element, GstPad * pad)
{
  GstInterleave *self = GST_INTERLEAVE (element);
  GList *l;
  GstAudioChannelPosition position;

  g_return_if_fail (GST_IS_INTERLEAVE_PAD (pad));

  /* Take lock to make sure we're not changing this when processing buffers */
  GST_OBJECT_LOCK (self->collect);

  g_atomic_int_add (&self->channels, -1);

  if (gst_pad_has_current_caps (pad))
    g_atomic_int_add (&self->configured_sinkpads_counter, -1);

  position = GST_INTERLEAVE_PAD_CAST (pad)->channel;
  g_value_array_remove (self->input_channel_positions, position);

  /* Update channel numbers */
  GST_OBJECT_LOCK (self);
  for (l = GST_ELEMENT_CAST (self)->sinkpads; l != NULL; l = l->next) {
    GstInterleavePad *ipad = GST_INTERLEAVE_PAD (l->data);

    if (GST_INTERLEAVE_PAD_CAST (pad)->channel < ipad->channel)
      ipad->channel--;
  }
  GST_OBJECT_UNLOCK (self);

  /* Update the src caps if we already have them */
  if (self->sinkcaps) {
    if (self->channels > 0) {
      GstCaps *srccaps;
      GstStructure *s;

      srccaps = gst_caps_copy (self->sinkcaps);
      s = gst_caps_get_structure (srccaps, 0);

      gst_structure_set (s, "channels", G_TYPE_INT, self->channels, NULL);
      gst_interleave_set_channel_positions (self, s);

      gst_pad_set_active (self->src, TRUE);
      gst_pad_set_caps (self->src, srccaps);
      gst_caps_unref (srccaps);
    } else {
      gst_caps_replace (&self->sinkcaps, NULL);
    }
  }

  GST_OBJECT_UNLOCK (self->collect);

  gst_collect_pads_remove_pad (self->collect, pad);
  gst_element_remove_pad (element, pad);
}

Example #2

File: gparamspecs.c Project: crutchwalkfactory/motocakerteam

static inline guint
value_array_ensure_size (GValueArray *value_array,
			 guint        fixed_n_elements)
{
  guint changed = 0;

  if (fixed_n_elements)
    {
      while (value_array->n_values < fixed_n_elements)
	{
	  g_value_array_append (value_array, NULL);
	  changed++;
	}
      while (value_array->n_values > fixed_n_elements)
	{
	  g_value_array_remove (value_array, value_array->n_values - 1);
	  changed++;
	}
    }
  return changed;
}