Esempi in C++ (Cpp) per gst_interpolation_control_source_unset_all

Esempio n. 1

File: ges-track-video-transition.c Progetto: luisbg/gst-editing-services

static void
ges_track_video_transition_duration_changed (GESTrackObject * object,
    guint64 duration)
{
  GValue start_value = { 0, };
  GValue end_value = { 0, };
  GstElement *gnlobj = ges_track_object_get_gnlobject (object);
  GESTrackVideoTransition *self = GES_TRACK_VIDEO_TRANSITION (object);
  GESTrackVideoTransitionPrivate *priv = self->priv;

  GST_LOG ("updating controller");

  if (G_UNLIKELY (!gnlobj || !priv->control_source))
    return;

  GST_INFO ("duration: %" G_GUINT64_FORMAT, duration);
  g_value_init (&start_value, G_TYPE_DOUBLE);
  g_value_init (&end_value, G_TYPE_DOUBLE);
  g_value_set_double (&start_value, priv->start_value);
  g_value_set_double (&end_value, priv->end_value);

  GST_LOG ("setting values on controller");

  gst_interpolation_control_source_unset_all (priv->control_source);
  gst_interpolation_control_source_set (priv->control_source, 0, &start_value);
  gst_interpolation_control_source_set (priv->control_source,
      duration, &end_value);

  GST_LOG ("done updating controller");
}

Esempio n. 2

File: gstcontroller.c Progetto: zsx/ossbuild

gboolean
gst_controller_unset_all (GstController * self, gchar * property_name)
{
  GstControlledProperty *prop;

  g_return_val_if_fail (GST_IS_CONTROLLER (self), FALSE);
  g_return_val_if_fail (property_name, FALSE);

  g_mutex_lock (self->lock);
  if ((prop = gst_controller_find_controlled_property (self, property_name))) {
    if (!prop->csource || !GST_IS_INTERPOLATION_CONTROL_SOURCE (prop->csource))
      goto out;

    gst_interpolation_control_source_unset_all (GST_INTERPOLATION_CONTROL_SOURCE
        (prop->csource));
  }

out:
  g_mutex_unlock (self->lock);

  return TRUE;
}