struct _GstBusPrivate
{
+ GstAtomicQueue *queue;
+ GMutex queue_lock;
+
+ GstBusSyncHandler sync_handler;
+ gpointer sync_handler_data;
+
+ guint signal_watch_id;
+ guint num_signal_watchers;
+
guint num_sync_message_emitters;
GSource *watch_id;
static void
gst_bus_init (GstBus * bus)
{
- bus->queue = gst_atomic_queue_new (32);
- g_mutex_init (&bus->queue_lock);
-
bus->priv = G_TYPE_INSTANCE_GET_PRIVATE (bus, GST_TYPE_BUS, GstBusPrivate);
bus->priv->enable_async = DEFAULT_ENABLE_ASYNC;
+ g_mutex_init (&bus->priv->queue_lock);
+ bus->priv->queue = gst_atomic_queue_new (32);
GST_DEBUG_OBJECT (bus, "created");
}
{
GstBus *bus = GST_BUS (object);
- if (bus->queue) {
+ if (bus->priv->queue) {
GstMessage *message;
- g_mutex_lock (&bus->queue_lock);
+ g_mutex_lock (&bus->priv->queue_lock);
do {
- message = gst_atomic_queue_pop (bus->queue);
+ message = gst_atomic_queue_pop (bus->priv->queue);
if (message)
gst_message_unref (message);
} while (message != NULL);
- gst_atomic_queue_unref (bus->queue);
- bus->queue = NULL;
- g_mutex_unlock (&bus->queue_lock);
- g_mutex_clear (&bus->queue_lock);
+ gst_atomic_queue_unref (bus->priv->queue);
+ bus->priv->queue = NULL;
+ g_mutex_unlock (&bus->priv->queue_lock);
+ g_mutex_clear (&bus->priv->queue_lock);
if (bus->priv->poll)
gst_poll_free (bus->priv->poll);
if (GST_OBJECT_FLAG_IS_SET (bus, GST_BUS_FLUSHING))
goto is_flushing;
- handler = bus->sync_handler;
- handler_data = bus->sync_handler_data;
+ handler = bus->priv->sync_handler;
+ handler_data = bus->priv->sync_handler_data;
emit_sync_message = bus->priv->num_sync_message_emitters > 0;
GST_OBJECT_UNLOCK (bus);
case GST_BUS_PASS:
/* pass the message to the async queue, refcount passed in the queue */
GST_DEBUG_OBJECT (bus, "[msg %p] pushing on async queue", message);
- gst_atomic_queue_push (bus->queue, message);
+ gst_atomic_queue_push (bus->priv->queue, message);
gst_poll_write_control (bus->priv->poll);
GST_DEBUG_OBJECT (bus, "[msg %p] pushed on async queue", message);
* the cond will be signalled and we can continue */
g_mutex_lock (lock);
- gst_atomic_queue_push (bus->queue, message);
+ gst_atomic_queue_push (bus->priv->queue, message);
gst_poll_write_control (bus->priv->poll);
/* now block till the message is freed */
g_return_val_if_fail (GST_IS_BUS (bus), FALSE);
/* see if there is a message on the bus */
- result = gst_atomic_queue_length (bus->queue) != 0;
+ result = gst_atomic_queue_length (bus->priv->queue) != 0;
return result;
}
g_return_val_if_fail (types != 0, NULL);
g_return_val_if_fail (timeout == 0 || bus->priv->poll != NULL, NULL);
- g_mutex_lock (&bus->queue_lock);
+ g_mutex_lock (&bus->priv->queue_lock);
while (TRUE) {
gint ret;
GST_LOG_OBJECT (bus, "have %d messages",
- gst_atomic_queue_length (bus->queue));
+ gst_atomic_queue_length (bus->priv->queue));
- while ((message = gst_atomic_queue_pop (bus->queue))) {
+ while ((message = gst_atomic_queue_pop (bus->priv->queue))) {
if (bus->priv->poll)
gst_poll_read_control (bus->priv->poll);
/* only here in timeout case */
g_assert (bus->priv->poll);
- g_mutex_unlock (&bus->queue_lock);
+ g_mutex_unlock (&bus->priv->queue_lock);
ret = gst_poll_wait (bus->priv->poll, timeout - elapsed);
- g_mutex_lock (&bus->queue_lock);
+ g_mutex_lock (&bus->priv->queue_lock);
if (ret == 0) {
GST_INFO_OBJECT (bus, "timed out, breaking loop");
beach:
- g_mutex_unlock (&bus->queue_lock);
+ g_mutex_unlock (&bus->priv->queue_lock);
return message;
}
g_return_val_if_fail (GST_IS_BUS (bus), NULL);
- g_mutex_lock (&bus->queue_lock);
- message = gst_atomic_queue_peek (bus->queue);
+ g_mutex_lock (&bus->priv->queue_lock);
+ message = gst_atomic_queue_peek (bus->priv->queue);
if (message)
gst_message_ref (message);
- g_mutex_unlock (&bus->queue_lock);
+ g_mutex_unlock (&bus->priv->queue_lock);
GST_DEBUG_OBJECT (bus, "peek on bus, got message %p", message);
/* Assert if the user attempts to replace an existing sync_handler,
* other than to clear it */
- if (func != NULL && bus->sync_handler != NULL)
+ if (func != NULL && bus->priv->sync_handler != NULL)
goto no_replace;
- bus->sync_handler = func;
- bus->sync_handler_data = data;
+ bus->priv->sync_handler = func;
+ bus->priv->sync_handler_data = data;
GST_OBJECT_UNLOCK (bus);
return;
gst_bus_disable_sync_message_emission (GstBus * bus)
{
g_return_if_fail (GST_IS_BUS (bus));
- g_return_if_fail (bus->num_signal_watchers == 0);
+ g_return_if_fail (bus->priv->num_signal_watchers == 0);
GST_OBJECT_LOCK (bus);
bus->priv->num_sync_message_emitters--;
/* I know the callees don't take this lock, so go ahead and abuse it */
GST_OBJECT_LOCK (bus);
- if (bus->num_signal_watchers > 0)
+ if (bus->priv->num_signal_watchers > 0)
goto done;
/* this should not fail because the counter above takes care of it */
- g_assert (bus->signal_watch_id == 0);
+ g_assert (bus->priv->signal_watch_id == 0);
- bus->signal_watch_id =
+ bus->priv->signal_watch_id =
gst_bus_add_watch_full_unlocked (bus, priority, gst_bus_async_signal_func,
NULL, NULL);
- if (G_UNLIKELY (bus->signal_watch_id == 0))
+ if (G_UNLIKELY (bus->priv->signal_watch_id == 0))
goto add_failed;
done:
- bus->num_signal_watchers++;
+ bus->priv->num_signal_watchers++;
GST_OBJECT_UNLOCK (bus);
return;
/* I know the callees don't take this lock, so go ahead and abuse it */
GST_OBJECT_LOCK (bus);
- if (bus->num_signal_watchers == 0)
+ if (bus->priv->num_signal_watchers == 0)
goto error;
- bus->num_signal_watchers--;
+ bus->priv->num_signal_watchers--;
- if (bus->num_signal_watchers > 0)
+ if (bus->priv->num_signal_watchers > 0)
goto done;
- id = bus->signal_watch_id;
- bus->signal_watch_id = 0;
+ id = bus->priv->signal_watch_id;
+ bus->priv->signal_watch_id = 0;
GST_DEBUG_OBJECT (bus, "removing signal watch %u", id);