comparison transform/FileFeatureWriter.cpp @ 512:e7a39c45a7a4

* close output streams a little sooner when writing features for more
  than one file (doesn't affect eventual output though)

 using namespace std;
 using namespace Vamp;
 
 FileFeatureWriter::FileFeatureWriter(int support,
                                      QString extension) :
+    m_prevstream(0),
     m_support(support),
     m_extension(extension),
     m_manyFiles(false),
     m_stdout(false),
     m_append(false),

         } else {
             m_streams[file] = new QTextStream(file);
         }
     }
 
-    return m_streams[file];
+    QTextStream *stream = m_streams[file];
+
+    if (m_prevstream && stream != m_prevstream) {
+        m_prevstream->flush();
+    }
+    m_prevstream = stream;
+
+    return stream;
 }