* gstreamer.py:

Only set an exception once in bus_error_cb.
	  Was triggered by morituri's checksum test, but only
	  if multiple tests were run - got the same bus error
	  twice.

morituri/extern/task/ChangeLog

@@ -1,3 +1,11 @@
+2012-11-18  Thomas Vander Stichele  <thomas at apestaart dot org>
+
+	* gstreamer.py:
+	  Only set an exception once in bus_error_cb.
+	  Was triggered by morituri's checksum test, but only
+	  if multiple tests were run - got the same bus error
+	  twice.
+
 2012-07-12  Thomas Vander Stichele  <thomas at apestaart dot org>
 
 	* task.py:

morituri/extern/task/gstreamer.py

@@ -209,6 +209,10 @@ class GstPipelineTask(task.Task):
         Called synchronously (ie from messaging thread) on error message.
         """
         self.debug('bus_error_cb: bus %r, message %r' % (bus, message))
+        if self.exception:
+            self.debug('bus_error_cb: already got an exception, ignoring')
+            return
+
         exc = GstException(*message.parse_error())
         self.setAndRaiseException(exc)
         self.debug('error, scheduling stop')