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multiqueue: Unblock all waiting pads when shutting down

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This commit is contained in:
Sebastian Dröge 2011-03-21 17:17:22 +01:00
parent 5b48fd5b24
commit 9e36a51bac
1 changed files with 54 additions and 0 deletions
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54
plugins/elements/gstmultiqueue.c
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@ -256,6 +256,8 @@ static void gst_multi_queue_get_property (GObject * object,
static GstPad *gst_multi_queue_request_new_pad (GstElement * element,
GstPadTemplate * temp, const gchar * name);
static void gst_multi_queue_release_pad (GstElement * element, GstPad * pad);
static GstStateChangeReturn gst_multi_queue_change_state (GstElement *
element, GstStateChange transition);
static void gst_multi_queue_loop (GstPad * pad);
@ -400,6 +402,8 @@ gst_multi_queue_class_init (GstMultiQueueClass * klass)
GST_DEBUG_FUNCPTR (gst_multi_queue_request_new_pad);
gstelement_class->release_pad =
GST_DEBUG_FUNCPTR (gst_multi_queue_release_pad);
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_multi_queue_change_state);
}
static void
@ -650,6 +654,56 @@ gst_multi_queue_release_pad (GstElement * element, GstPad * pad)
gst_single_queue_free (sq);
}
static GstStateChangeReturn
gst_multi_queue_change_state (GstElement * element, GstStateChange transition)
{
GstMultiQueue *mqueue = GST_MULTI_QUEUE (element);
GstSingleQueue *sq = NULL;
GstStateChangeReturn result;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:{
GList *tmp;
/* Set all pads to non-flushing */
GST_MULTI_QUEUE_MUTEX_LOCK (mqueue);
for (tmp = mqueue->queues; tmp; tmp = g_list_next (tmp)) {
sq = (GstSingleQueue *) tmp->data;
sq->flushing = FALSE;
}
GST_MULTI_QUEUE_MUTEX_UNLOCK (mqueue);
break;
}
case GST_STATE_CHANGE_PAUSED_TO_READY:{
GList *tmp;
/* Un-wait all waiting pads */
GST_MULTI_QUEUE_MUTEX_LOCK (mqueue);
for (tmp = mqueue->queues; tmp; tmp = g_list_next (tmp)) {
sq = (GstSingleQueue *) tmp->data;
sq->flushing = TRUE;
g_cond_signal (sq->turn);
}
GST_MULTI_QUEUE_MUTEX_UNLOCK (mqueue);
break;
}
default:
break;
}
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
default:
break;
}
return result;
}
static gboolean
gst_single_queue_flush (GstMultiQueue * mq, GstSingleQueue * sq, gboolean flush)
{