PAD_REMOVED,
ERROR,
EOS,
- DEEP_NOTIFY,
LAST_SIGNAL
};
const GValue *value, GParamSpec *pspec);
static void gst_element_real_get_property (GObject *object, guint prop_id, GValue *value,
GParamSpec *pspec);
-static void gst_element_dispatch_properties_changed (GObject * object, guint n_pspecs, GParamSpec **pspecs);
static void gst_element_dispose (GObject *object);
g_signal_new ("eos", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstElementClass,eos), NULL, NULL,
gst_marshal_VOID__VOID, G_TYPE_NONE, 0);
- gst_element_signals[DEEP_NOTIFY] =
- g_signal_new ("deep_notify", G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE | G_SIGNAL_DETAILED | G_SIGNAL_NO_HOOKS,
- G_STRUCT_OFFSET (GstElementClass, deep_notify), NULL, NULL,
- gst_marshal_VOID__OBJECT_PARAM, G_TYPE_NONE,
- 2, G_TYPE_OBJECT, G_TYPE_PARAM);
-
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_element_real_set_property);
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_element_real_get_property);
- /* see the comments at gst_element_dispatch_properties_changed */
- gobject_class->dispatch_properties_changed
- = GST_DEBUG_FUNCPTR (gst_element_dispatch_properties_changed);
-
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_element_dispose);
#ifndef GST_DISABLE_LOADSAVE
(oclass->get_property) (object, prop_id, value, pspec);
}
-/* Changing a GObject property of an element will result in "deep_notify"
- * signals being emitted by the element itself, as well as in each parent
- * element. This is so that an application can connect a listener to the
- * top-level bin to catch property-change notifications for all contained
- * elements. */
-static void
-gst_element_dispatch_properties_changed (GObject *object,
- guint n_pspecs,
- GParamSpec **pspecs)
-{
- GstObject *gst_object;
- guint i;
-
- /* do the standard dispatching */
- G_OBJECT_CLASS (parent_class)->dispatch_properties_changed (object, n_pspecs, pspecs);
-
- /* now let the parent dispatch those, too */
- gst_object = GST_OBJECT_PARENT (object);
- while (gst_object) {
- /* need own category? */
- for (i = 0; i < n_pspecs; i++) {
- GST_DEBUG (GST_CAT_EVENT, "deep notification from %s to %s (%s)", GST_OBJECT_NAME (object),
- GST_OBJECT_NAME (gst_object), pspecs[i]->name);
- g_signal_emit (gst_object, gst_element_signals[DEEP_NOTIFY], g_quark_from_string (pspecs[i]->name),
- (GstObject *) object, pspecs[i]);
- }
-
- gst_object = GST_OBJECT_PARENT (gst_object);
- }
-}
-
-/**
- * gst_element_default_deep_notify:
- * @object: the #GObject that signalled the notify.
- * @orig: a #GstObject that initiated the notify.
- * @pspec: a #GParamSpec of the property.
- * @excluded_props: a set of user-specified properties to exclude.
- *
- * Adds a default deep_notify signal callback to an
- * element. The user data should contain a pointer to an array of
- * strings that should be excluded from the notify.
- * The default handler will print the new value of the property
- * using g_print.
- */
-void
-gst_element_default_deep_notify (GObject *object, GstObject *orig,
- GParamSpec *pspec, gchar **excluded_props)
-{
- GValue value = { 0, }; /* the important thing is that value.type = 0 */
- gchar *str = 0;
-
- if (pspec->flags & G_PARAM_READABLE) {
- /* let's not print these out for excluded properties... */
- while (excluded_props != NULL && *excluded_props != NULL) {
- if (strcmp (pspec->name, *excluded_props) == 0)
- return;
- excluded_props++;
- }
- g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
- g_object_get_property (G_OBJECT (orig), pspec->name, &value);
-
- if (G_IS_PARAM_SPEC_ENUM (pspec)) {
- GEnumValue *enum_value;
- enum_value = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (pspec->value_type)),
- g_value_get_enum (&value));
-
- str = g_strdup_printf ("%s (%d)", enum_value->value_nick,
- enum_value->value);
- }
- else {
- str = g_strdup_value_contents (&value);
- }
- g_print ("%s: %s = %s\n", GST_OBJECT_NAME (orig), pspec->name, str);
- g_free (str);
- g_value_unset (&value);
- } else {
- g_warning ("Parameter %s not readable in %s.",
- pspec->name, GST_OBJECT_NAME (orig));
- }
-}
-
/**
* gst_element_default_error:
* @object: a #GObject that signalled the error.
g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
g_return_val_if_fail (name != NULL, NULL);
- if ((pad = gst_element_get_static_pad (element, name)))
- return pad;
-
- pad = gst_element_get_request_pad (element, name);
-
+ pad = gst_element_get_static_pad (element, name);
+ if (!pad)
+ pad = gst_element_get_request_pad (element, name);
+
return pad;
}
break;
}
- /* tell the scheduler if we have one */
- if (element->sched) {
- if (gst_scheduler_state_transition (element->sched, element,
- old_transition) != GST_STATE_SUCCESS) {
- goto failure;
- }
- }
-
parent = GST_ELEMENT_PARENT (element);
GST_DEBUG_ELEMENT (GST_CAT_STATES, element,
"signaling state change from %s to %s",
gst_element_state_get_name (old_state),
gst_element_state_get_name (GST_STATE (element)));
+
g_signal_emit (G_OBJECT (element), gst_element_signals[STATE_CHANGE],
0, old_state, GST_STATE (element));
GST_STATE (element), element);
}
+
/* signal the state change in case somebody is waiting for us */
g_mutex_lock (element->state_mutex);
g_cond_signal (element->state_cond);
g_mutex_unlock (element->state_mutex);
+ /* tell the scheduler if we have one */
+ if (element->sched) {
+ if (gst_scheduler_state_transition (element->sched, element,
+ old_transition) != GST_STATE_SUCCESS) {
+ goto failure;
+ }
+ }
+
return GST_STATE_SUCCESS;
failure:
#ifndef GST_DISABLE_LOADSAVE_REGISTRY
OBJECT_SAVED,
#endif
+ DEEP_NOTIFY,
LAST_SIGNAL
};
GParamSpec * pspec);
static void gst_object_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec);
+static void gst_object_dispatch_properties_changed (GObject *object,
+ guint n_pspecs,
+ GParamSpec **pspecs);
static void gst_object_dispose (GObject *object);
static void gst_object_finalize (GObject *object);
klass->restore_thyself = gst_object_real_restore_thyself;
#endif
+ gst_object_signals[DEEP_NOTIFY] =
+ g_signal_new ("deep_notify", G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE | G_SIGNAL_DETAILED | G_SIGNAL_NO_HOOKS,
+ G_STRUCT_OFFSET (GstObjectClass, deep_notify), NULL, NULL,
+ gst_marshal_VOID__OBJECT_PARAM, G_TYPE_NONE,
+ 2, G_TYPE_OBJECT, G_TYPE_PARAM);
klass->path_string_separator = "/";
klass->signal_object = g_object_new (gst_signal_object_get_type (), NULL);
+ /* see the comments at gst_element_dispatch_properties_changed */
+
+ gobject_class->dispatch_properties_changed
+ = GST_DEBUG_FUNCPTR (gst_object_dispatch_properties_changed);
gobject_class->dispose = gst_object_dispose;
gobject_class->finalize = gst_object_finalize;
parent_class->finalize (object);
}
+/* Changing a GObject property of an element will result in "deep_notify"
+ * signals being emitted by the element itself, as well as in each parent
+ * element. This is so that an application can connect a listener to the
+ * top-level bin to catch property-change notifications for all contained
+ * elements. */
+static void
+gst_object_dispatch_properties_changed (GObject *object,
+ guint n_pspecs,
+ GParamSpec **pspecs)
+{
+ GstObject *gst_object;
+ guint i;
+
+ /* do the standard dispatching */
+ G_OBJECT_CLASS (parent_class)->dispatch_properties_changed (object, n_pspecs, pspecs);
+
+ /* now let the parent dispatch those, too */
+ gst_object = GST_OBJECT_PARENT (object);
+ while (gst_object) {
+ /* need own category? */
+ for (i = 0; i < n_pspecs; i++) {
+ GST_DEBUG (GST_CAT_EVENT, "deep notification from %s to %s (%s)", GST_OBJECT_NAME (object),
+ GST_OBJECT_NAME (gst_object), pspecs[i]->name);
+ g_signal_emit (gst_object, gst_object_signals[DEEP_NOTIFY], g_quark_from_string (pspecs[i]->name),
+ (GstObject *) object, pspecs[i]);
+ }
+
+ gst_object = GST_OBJECT_PARENT (gst_object);
+ }
+}
+
+/**
+ * gst_object_default_deep_notify:
+ * @object: the #GObject that signalled the notify.
+ * @orig: a #GstObject that initiated the notify.
+ * @pspec: a #GParamSpec of the property.
+ * @excluded_props: a set of user-specified properties to exclude.
+ *
+ * Adds a default deep_notify signal callback to an
+ * element. The user data should contain a pointer to an array of
+ * strings that should be excluded from the notify.
+ * The default handler will print the new value of the property
+ * using g_print.
+ */
+void
+gst_object_default_deep_notify (GObject *object, GstObject *orig,
+ GParamSpec *pspec, gchar **excluded_props)
+{
+ GValue value = { 0, }; /* the important thing is that value.type = 0 */
+ gchar *str = 0;
+
+ if (pspec->flags & G_PARAM_READABLE) {
+ /* let's not print these out for excluded properties... */
+ while (excluded_props != NULL && *excluded_props != NULL) {
+ if (strcmp (pspec->name, *excluded_props) == 0)
+ return;
+ excluded_props++;
+ }
+ g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (pspec));
+ g_object_get_property (G_OBJECT (orig), pspec->name, &value);
+
+ if (G_IS_PARAM_SPEC_ENUM (pspec)) {
+ GEnumValue *enum_value;
+ enum_value = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (pspec->value_type)),
+ g_value_get_enum (&value));
+
+ str = g_strdup_printf ("%s (%d)", enum_value->value_nick,
+ enum_value->value);
+ }
+ else {
+ str = g_strdup_value_contents (&value);
+ }
+ g_print ("%s: %s = %s\n", GST_OBJECT_NAME (orig), pspec->name, str);
+ g_free (str);
+ g_value_unset (&value);
+ } else {
+ g_warning ("Parameter %s not readable in %s.",
+ pspec->name, GST_OBJECT_NAME (orig));
+ }
+}
+
static void
gst_object_set_name_default (GstObject *object)
{
projects / platform / upstream / gstreamer.git / commitdiff