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adaptivedemux: release manifest lock before changing element state

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=757335
This commit is contained in:
Florin Apostol 2015-10-29 23:23:05 +00:00 committed by Vincent Penquerc'h
parent 34c523c3b9
commit ac58216f05
1 changed files with 7 additions and 2 deletions
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9
gst-libs/gst/adaptivedemux/gstadaptivedemux.c
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@ -479,19 +479,24 @@ gst_adaptive_demux_change_state (GstElement * element,
GstStateChangeReturn result = GST_STATE_CHANGE_FAILURE;
GST_API_LOCK (demux);
GST_MANIFEST_LOCK (demux);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
GST_MANIFEST_LOCK (demux);
gst_adaptive_demux_reset (demux);
GST_MANIFEST_UNLOCK (demux);
break;
default:
break;
}
/* this must be run without MANIFEST_LOCK taken.
* For PLAYING to PLAYING state changes, it will want to take a lock in
* src element and that lock is held while the streaming thread is running.
* The streaming thread will take the MANIFEST_LOCK, leading to a deadlock.
*/
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
GST_MANIFEST_UNLOCK (demux);
GST_API_UNLOCK (demux);
return result;
}