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aggregator: Consistenly lock the flow_return state

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Use the object's lock to protect it.

https://bugzilla.gnome.org/show_bug.cgi?id=742684
This commit is contained in:
Olivier Crête 2015-01-21 18:53:20 -05:00 committed by Tim-Philipp Müller
parent 90f3cb4af0
commit 25faafaf58
1 changed files with 26 additions and 12 deletions
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38
libs/gst/base/gstaggregator.c
View file

@ -214,7 +214,6 @@ struct _GstAggregatorPrivate
/* Our state is >= PAUSED */
gboolean running; /* protected by SRC_STREAM_LOCK */
gint seqnum;
gboolean send_stream_start;
gboolean send_segment;
@ -223,6 +222,13 @@ struct _GstAggregatorPrivate
gboolean send_eos;
GstFlowReturn flow_return;
gboolean send_stream_start; /* protected by srcpad stream lock */
gboolean send_segment; /* protected by object lock */
gboolean flush_seeking; /* protected by object lock */
gboolean pending_flush_start; /* protected by object lock */
gboolean send_eos; /* protected by srcpad stream lock */
GstFlowReturn flow_return; /* protected by object lock */
GstCaps *srccaps;
GstTagList *tags;
@ -635,26 +641,29 @@ gst_aggregator_aggregate_func (GstAggregator * self)
GST_LOG_OBJECT (self, "Checking aggregate");
while (priv->send_eos && priv->running) {
GstFlowReturn flow_return;
if (!gst_aggregator_wait_and_check (self, &timeout))
continue;
GST_TRACE_OBJECT (self, "Actually aggregating!");
priv->flow_return = klass->aggregate (self, timeout);
flow_return = klass->aggregate (self, timeout);
if (priv->flow_return == GST_FLOW_EOS) {
GST_OBJECT_LOCK (self);
if (flow_return == GST_FLOW_FLUSHING && priv->flush_seeking)
priv->flow_return = GST_FLOW_OK;
else
priv->flow_return = flow_return;
GST_OBJECT_UNLOCK (self);
if (flow_return == GST_FLOW_EOS) {
gst_aggregator_push_eos (self);
}
GST_OBJECT_LOCK (self);
if (priv->flow_return == GST_FLOW_FLUSHING && priv->flush_seeking)
priv->flow_return = GST_FLOW_OK;
GST_OBJECT_UNLOCK (self);
GST_LOG_OBJECT (self, "flow return is %s", gst_flow_get_name (flow_return));
GST_LOG_OBJECT (self, "flow return is %s",
gst_flow_get_name (priv->flow_return));
if (priv->flow_return != GST_FLOW_OK)
if (flow_return != GST_FLOW_OK)
break;
}
}
@ -1761,6 +1770,7 @@ gst_aggregator_pad_chain (GstPad * pad, GstObject * object, GstBuffer * buffer)
GstAggregatorPrivate *priv = self->priv;
GstAggregatorPad *aggpad = GST_AGGREGATOR_PAD (pad);
GstAggregatorClass *aggclass = GST_AGGREGATOR_GET_CLASS (object);
GstFlowReturn flow_return;
GST_DEBUG_OBJECT (aggpad, "Start chaining a buffer %" GST_PTR_FORMAT, buffer);
@ -1801,7 +1811,11 @@ gst_aggregator_pad_chain (GstPad * pad, GstObject * object, GstBuffer * buffer)
GST_DEBUG_OBJECT (aggpad, "Done chaining");
return priv->flow_return;
GST_OBJECT_LOCK (self);
flow_return = priv->flow_return;
GST_OBJECT_UNLOCK (self);
return flow_return;
flushing:
PAD_STREAM_UNLOCK (aggpad);