--- a/src/multimedia/audio/qaudiooutput.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/multimedia/audio/qaudiooutput.h	Tue Feb 02 00:43:10 2010 +0200
@@ -71,7 +71,9 @@
 
     QAudioFormat format() const;
 
-    QIODevice* start(QIODevice *device = 0);
+    void start(QIODevice *device);
+    QIODevice* start();
+
     void stop();
     void reset();
     void suspend();
@@ -86,8 +88,8 @@
     void setNotifyInterval(int milliSeconds);
     int notifyInterval() const;
 
-    qint64 totalTime() const;
-    qint64 clock() const;
+    qint64 processedUSecs() const;
+    qint64 elapsedUSecs() const;
 
     QAudio::Error error() const;
     QAudio::State state() const;