comparison runner/FeatureExtractionManager.cpp @ 19:bd1deebe1129

* Set track metadata only if non-empty (the RDF feature writer tests for
  existence rather than non-emptiness when determining whether to write
  a track)

             
             for (int j = 0; j < (int)writers.size(); ++j) {
                 FeatureWriter::TrackMetadata m;
                 m.title = reader->getTitle();
                 m.maker = reader->getMaker();
-                writers[j]->setTrackMetadata(audioSource, m);
+                if (m.title != "" && m.maker != "") {
+                    writers[j]->setTrackMetadata(audioSource, m);
+                }
             }
         }
     }
 
     ProgressPrinter extractionProgress("Extracting and writing features...");