text: #include "Synthesizer.h"
  #include "Mixer.h"
  
  using namespace codal;
  
  #define SAMPLE_RATE 44100
  
  class LinuxDAC : public DataSink {
    public:
      DataSource &src;
      LinuxDAC(DataSource &data);
      static void *play(void *);
      virtual int pullRequest() { return 0; }
      int getSampleRate() { return SAMPLE_RATE; }
  };
  
  class SoundOutput {
    public:
      LinuxDAC dac;
  
      SoundOutput(DataSource &data) : dac(data) {}
  
      void setOutput(int) {}
  };
  