gboolean
gst_controller_set_from_list (GstController * self, gchar * property_name,
GSList * timedvalues)
{
gboolean res = FALSE;
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))) {
/* FIXME: backward compat, add GstInterpolationControlSource */
if (!prop->csource)
gst_controlled_property_add_interpolation_control_source (prop);
if (!GST_IS_INTERPOLATION_CONTROL_SOURCE (prop->csource))
goto out;
res =
gst_interpolation_control_source_set_from_list
(GST_INTERPOLATION_CONTROL_SOURCE (prop->csource), timedvalues);
}
out:
g_mutex_unlock (self->lock);
return res;
}
gboolean
gst_controller_unset (GstController * self, gchar * property_name,
GstClockTime timestamp)
{
gboolean res = FALSE;
GstControlledProperty *prop;
g_return_val_if_fail (GST_IS_CONTROLLER (self), FALSE);
g_return_val_if_fail (property_name, FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), 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;
res =
gst_interpolation_control_source_unset (GST_INTERPOLATION_CONTROL_SOURCE
(prop->csource), timestamp);
}
out:
g_mutex_unlock (self->lock);
return res;
}
EXPORT_C
#endif
gboolean
gst_interpolation_control_source_set_from_list (GstInterpolationControlSource *
self, GSList * timedvalues)
{
GSList *node;
GstTimedValue *tv;
gboolean res = FALSE;
g_return_val_if_fail (GST_IS_INTERPOLATION_CONTROL_SOURCE (self), FALSE);
for (node = timedvalues; node; node = g_slist_next (node)) {
tv = node->data;
if (!GST_CLOCK_TIME_IS_VALID (tv->timestamp)) {
GST_WARNING ("GstTimedValued with invalid timestamp passed to %s",
GST_FUNCTION);
} else if (!G_IS_VALUE (&tv->value)) {
GST_WARNING ("GstTimedValued with invalid value passed to %s",
GST_FUNCTION);
} else if (G_VALUE_TYPE (&tv->value) != self->priv->type) {
GST_WARNING ("incompatible value type for property");
} else {
g_mutex_lock (self->lock);
gst_interpolation_control_source_set_internal (self, tv->timestamp,
&tv->value);
g_mutex_unlock (self->lock);
res = TRUE;
}
}
return res;
}
EXPORT_C
#endif
const GList *
gst_controller_get_all (GstController * self, gchar * property_name)
{
const GList *res = NULL;
GstControlledProperty *prop;
g_return_val_if_fail (GST_IS_CONTROLLER (self), NULL);
g_return_val_if_fail (property_name, NULL);
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;
res =
gst_interpolation_control_source_get_all
(GST_INTERPOLATION_CONTROL_SOURCE (prop->csource));
}
out:
g_mutex_unlock (self->lock);
return res;
}
EXPORT_C
#endif
gint
gst_interpolation_control_source_get_count (GstInterpolationControlSource *
self)
{
g_return_val_if_fail (GST_IS_INTERPOLATION_CONTROL_SOURCE (self), 0);
return self->priv->nvalues;
}
EXPORT_C
#endif
GList *
gst_interpolation_control_source_get_all (GstInterpolationControlSource * self)
{
GList *res = NULL;
g_return_val_if_fail (GST_IS_INTERPOLATION_CONTROL_SOURCE (self), NULL);
g_mutex_lock (self->lock);
if (self->priv->values)
res = g_list_copy (self->priv->values);
g_mutex_unlock (self->lock);
return res;
}
/*
* gst_controlled_property_set_interpolation_mode:
* @self: the controlled property object to change
* @mode: the new interpolation mode
*
* Sets the given Interpolation mode for the controlled property and activates
* the respective interpolation hooks.
*
* Deprecated: Use #GstControlSource, for example #GstInterpolationControlSource
* directly.
*
* Returns: %TRUE for success
*/
static gboolean
gst_controlled_property_set_interpolation_mode (GstControlledProperty * self,
GstInterpolateMode mode)
{
GstInterpolationControlSource *icsource;
/* FIXME: backward compat, add GstInterpolationControlSource */
if (!self->csource)
gst_controlled_property_add_interpolation_control_source (self);
g_return_val_if_fail (GST_IS_INTERPOLATION_CONTROL_SOURCE (self->csource),
FALSE);
icsource = GST_INTERPOLATION_CONTROL_SOURCE (self->csource);
return gst_interpolation_control_source_set_interpolation_mode (icsource,
mode);
}
EXPORT_C
#endif
gboolean
gst_interpolation_control_source_set (GstInterpolationControlSource * self,
GstClockTime timestamp, GValue * value)
{
g_return_val_if_fail (GST_IS_INTERPOLATION_CONTROL_SOURCE (self), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_return_val_if_fail (G_IS_VALUE (value), FALSE);
g_return_val_if_fail (G_VALUE_TYPE (value) == self->priv->type, FALSE);
g_mutex_lock (self->lock);
gst_interpolation_control_source_set_internal (self, timestamp, value);
g_mutex_unlock (self->lock);
return TRUE;
}
EXPORT_C
#endif
void
gst_interpolation_control_source_unset_all (GstInterpolationControlSource *
self)
{
g_return_if_fail (GST_IS_INTERPOLATION_CONTROL_SOURCE (self));
g_mutex_lock (self->lock);
/* free GstControlPoint structures */
g_list_foreach (self->priv->values, (GFunc) gst_control_point_free, NULL);
g_list_free (self->priv->values);
self->priv->last_requested_value = NULL;
self->priv->values = NULL;
self->priv->nvalues = 0;
self->priv->valid_cache = FALSE;
g_mutex_unlock (self->lock);
}
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;
}
EXPORT_C
#endif
gboolean
gst_interpolation_control_source_unset (GstInterpolationControlSource * self,
GstClockTime timestamp)
{
GList *node;
gboolean res = FALSE;
g_return_val_if_fail (GST_IS_INTERPOLATION_CONTROL_SOURCE (self), FALSE);
g_return_val_if_fail (GST_CLOCK_TIME_IS_VALID (timestamp), FALSE);
g_mutex_lock (self->lock);
/* check if a control point for the timestamp exists */
if ((node = g_list_find_custom (self->priv->values, ×tamp,
gst_control_point_find))) {
GstControlPoint *cp = node->data;
if (cp->timestamp == 0) {
/* Restore the default node */
g_value_reset (&cp->value);
g_value_copy (&self->priv->default_value, &cp->value);
} else {
if (node == self->priv->last_requested_value)
self->priv->last_requested_value = NULL;
gst_control_point_free (node->data); /* free GstControlPoint */
self->priv->values = g_list_delete_link (self->priv->values, node);
self->priv->nvalues--;
}
self->priv->valid_cache = FALSE;
res = TRUE;
}
g_mutex_unlock (self->lock);
return res;
}
