Added missing override in audio output example

Because the QIODevice-derived class Generator owns its own internal
buffer, it must override bytesAvailable().

Reviewed-by: trustme

2 files changed, 6 insertions, 0 deletions

diff --git a/examples/multimedia/audiooutput/audiooutput.cpp b/examples/multimedia/audiooutput/audiooutput.cpp
index b44accdf14..9a9af865a7 100644
--- a/examples/multimedia/audiooutput/audiooutput.cpp
+++ b/examples/multimedia/audiooutput/audiooutput.cpp
@@ -75,6 +75,11 @@ void Generator::start()
     open(QIODevice::ReadOnly);
 }
 
+qint64 Generator::bytesAvailable() const
+{
+    return (SECONDS*SYSTEM_FREQ*2)-pos + QIODevice::bytesAvailable();
+}
+
 void Generator::stop()
 {
     close();
diff --git a/examples/multimedia/audiooutput/audiooutput.h b/examples/multimedia/audiooutput/audiooutput.h
index 372cf78621..eba64460e2 100644
--- a/examples/multimedia/audiooutput/audiooutput.h
+++ b/examples/multimedia/audiooutput/audiooutput.h
@@ -72,6 +72,7 @@ public:
 
     qint64 readData(char *data, qint64 maxlen);
     qint64 writeData(const char *data, qint64 len);
+    qint64 bytesAvailable() const;
 
 private:
     int putShort(char *t, unsigned int value);