pulsesink: ref custom ring buffer class and type in class_init

Hack around thread-safety issues in GObject and our racy _get_type()
functions (we could easily fix the _get_type() functions, but we still
need to hack around the GObject class races until we require a newer
GLib version, I think).

diff --git a/ext/pulse/pulsesink.c b/ext/pulse/pulsesink.c
index cc9902c..d18c523 100644 (file)
--- a/ext/pulse/pulsesink.c
+++ b/ext/pulse/pulsesink.c
@@ -183,6 +183,10 @@ gst_pulseringbuffer_class_init (GstPulseRingBufferClass * klass)
   gstringbuffer_class->stop = GST_DEBUG_FUNCPTR (gst_pulseringbuffer_stop);
 
   gstringbuffer_class->commit = GST_DEBUG_FUNCPTR (gst_pulseringbuffer_commit);
+
+  /* ref class from a thread-safe context to work around missing bit of
+   * thread-safety in GObject */
+  g_type_class_ref (GST_TYPE_PULSERING_BUFFER);
 }
 
 static void