RageSoundDriver_AU.h

#ifndef RAGE_SOUND_DRIVER_AU_H
#define RAGE_SOUND_DRIVER_AU_H
 
#include "RageSoundDriver.h"
#include "RageUtil/Misc/RageThreads.h"
#include <AudioUnit/AudioUnit.h>
 
class RageSoundDriver_AU : public RageSoundDriver
{
  public:
    RageSoundDriver_AU();
    std::string Init();
    ~RageSoundDriver_AU();
    float GetPlayLatency() const;
    int GetSampleRate() const { return m_iSampleRate; }
    int64_t GetPosition() const;
 
  protected:
    void SetupDecodingThread();
 
  private:
    static OSStatus Render(void* inRefCon,
                           AudioUnitRenderActionFlags* ioActionFlags,
                           const AudioTimeStamp* inTimeStamp,
                           UInt32 inBusNumber,
                           UInt32 inNumberFrames,
                           AudioBufferList* ioData);
    static void NameHALThread(CFRunLoopObserverRef,
                              CFRunLoopActivity activity,
                              void* inRefCon);
 
    double m_TimeScale;
    AudioUnit m_OutputUnit;
    int m_iSampleRate;
    bool m_bDone;
    bool m_bStarted;
    RageThreadRegister* m_pIOThread;
    RageThreadRegister* m_pNotificationThread;
    RageSemaphore m_Semaphore;
};
 
#endif