--- a/src/multimedia/audio/qaudioformat.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/multimedia/audio/qaudioformat.h	Tue Feb 02 00:43:10 2010 +0200
@@ -71,7 +71,7 @@
     bool operator==(const QAudioFormat &other) const;
     bool operator!=(const QAudioFormat &other) const;
 
-    bool isNull() const;
+    bool isValid() const;
 
     void setFrequency(int frequency);
     int frequency() const;