aggregator: Set flow to FLUSHING on pad stop

Fixes a rare race where the pad is being stopped while doing a query.

diff --git a/libs/gst/base/gstaggregator.c b/libs/gst/base/gstaggregator.c
index ec4be92..2afa3c3 100644 (file)
--- a/libs/gst/base/gstaggregator.c
+++ b/libs/gst/base/gstaggregator.c
@@ -1493,7 +1493,9 @@ gst_aggregator_stop_pad (GstAggregator * self, GstAggregatorPad * pad,
   gst_aggregator_pad_flush (pad, self);
 
   PAD_LOCK (pad);
+  pad->priv->flow_return = GST_FLOW_FLUSHING;
   pad->priv->negotiated = FALSE;
+  PAD_BROADCAST_EVENT (pad);
   PAD_UNLOCK (pad);
 
   return TRUE;