PBD::Signal0<void> WaveView::VisualPropertiesChanged;
PBD::Signal0<void> WaveView::ClipLevelChanged;
-#undef ENABLE_THREADED_WAVEFORM_RENDERING
+#define ENABLE_THREADED_WAVEFORM_RENDERING
WaveView::WaveView (Canvas* c, boost::shared_ptr<ARDOUR::AudioRegion> region)
: Item (c)