};
#define gst_bus_parent_class parent_class
-G_DEFINE_TYPE (GstBus, gst_bus, GST_TYPE_OBJECT);
+G_DEFINE_TYPE_WITH_PRIVATE (GstBus, gst_bus, GST_TYPE_OBJECT);
static void
gst_bus_set_property (GObject * object,
G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
G_STRUCT_OFFSET (GstBusClass, message), NULL, NULL,
g_cclosure_marshal_generic, G_TYPE_NONE, 1, GST_TYPE_MESSAGE);
-
- g_type_class_add_private (klass, sizeof (GstBusPrivate));
}
static void
gst_bus_init (GstBus * bus)
{
- bus->priv = G_TYPE_INSTANCE_GET_PRIVATE (bus, GST_TYPE_BUS, GstBusPrivate);
+ bus->priv = gst_bus_get_instance_private (bus);
bus->priv->enable_async = DEFAULT_ENABLE_ASYNC;
g_mutex_init (&bus->priv->queue_lock);
bus->priv->queue = gst_atomic_queue_new (32);
- /* clear floating flag */
- gst_object_ref_sink (bus);
-
GST_DEBUG_OBJECT (bus, "created");
}
result = g_object_new (gst_bus_get_type (), NULL);
GST_DEBUG_OBJECT (result, "created new bus");
+ /* clear floating flag */
+ gst_object_ref_sink (result);
+
return result;
}
}
}
+/**
+ * gst_bus_get_pollfd:
+ * @bus: A #GstBus
+ * @fd: (out): A GPollFD to fill
+ *
+ * Gets the file descriptor from the bus which can be used to get notified about
+ * messages being available with functions like g_poll(), and allows integration
+ * into other event loops based on file descriptors.
+ * Whenever a message is available, the POLLIN / %G_IO_IN event is set.
+ *
+ * Warning: NEVER read or write anything to the returned fd but only use it
+ * for getting notifications via g_poll() or similar and then use the normal
+ * GstBus API, e.g. gst_bus_pop().
+ *
+ * Since: 1.14
+ */
+void
+gst_bus_get_pollfd (GstBus * bus, GPollFD * fd)
+{
+ g_return_if_fail (GST_IS_BUS (bus));
+ g_return_if_fail (bus->priv->poll != NULL);
+
+ *fd = bus->priv->pollfd;
+}
+
/* GSource for the bus
*/
typedef struct
* a message is on the bus. After the GSource is dispatched, the
* message is popped off the bus and unreffed.
*
- * Returns: (transfer full): a #GSource that can be added to a mainloop.
+ * Returns: (transfer full) (nullable): a #GSource that can be added to a mainloop.
*/
GSource *
gst_bus_create_watch (GstBus * bus)
* from @func. If the watch was added to the default main context it is also
* possible to remove the watch using g_source_remove().
*
+ * The bus watch will take its own reference to the @bus, so it is safe to unref
+ * @bus using gst_object_unref() after setting the bus watch.
+ *
* MT safe.
*
* Returns: The event source id or 0 if @bus already got an event source.
* from @func. If the watch was added to the default main context it is also
* possible to remove the watch using g_source_remove().
*
- * Returns: The event source id or 0 if @bus already got an event source.
+ * The bus watch will take its own reference to the @bus, so it is safe to unref
+ * @bus using gst_object_unref() after setting the bus watch.
*
* MT safe.
+ *
+ * Returns: The event source id or 0 if @bus already got an event source.
*/
guint
gst_bus_add_watch (GstBus * bus, GstBusFunc func, gpointer user_data)