comparison layer/WaveformLayer.cpp @ 71:72fa239a4880

* Modify to use Vamp SDK for proper feature extraction plugins.
  Requires that the vamp-plugin-sdk directory tree be present below
  plugin/ (it's separate in Subversion).

 
 	ranges = m_model->getRanges
 	    (ch, frame0 < 0 ? 0 : frame0, frame1, modelZoomLevel);
         
 	if (mergingChannels || mixingChannels) {
-	    otherChannelRanges = m_model->getRanges
-		(1, frame0 < 0 ? 0 : frame0, frame1, modelZoomLevel);
+            if (m_model->getChannelCount() > 1) {
+                otherChannelRanges = m_model->getRanges
+                    (1, frame0 < 0 ? 0 : frame0, frame1, modelZoomLevel);
+            } else {
+                otherChannelRanges = ranges;
+            }
 	}
 
 	for (int x = x0; x <= x1; ++x) {
 
 	    range = RangeSummarisableTimeValueModel::Range();