108 private slots:

   108 private slots:

   109     void userFeed();

   109     void userFeed();

   110     bool deviceReady();

   110     bool deviceReady();

   111 

   111 

   112 private:

   112 private:

   113     int xrun_recovery(int err);

   114     int xrun_recovery(int err);

   114     int setFormat();

   115     int setFormat();

   115     bool open();

   116     bool open();

   116     void close();

   117     void close();

   117     void drain();

   118     void drain();