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Platform_Win32_Sound_SoundStream_WMM.h

Go to the documentation of this file.

#ifndef __Platform_Win32_Sound_SoundStream_WMM_H__
#define __Platform_Win32_Sound_SoundStream_WMM_H__

// Includes
#include "Platform_Sound_SoundStream.h"

// Forward declares
class Platform_Win32_Sound_WMM;
struct HWAVEOUT__;

// Platform_Win32_Sound_SoundStream_WMM
class Platform_Win32_Sound_SoundStream_WMM : public Platform_Sound_SoundStream
   {
   public:
      Platform_Win32_Sound_SoundStream_WMM(
         Platform_Win32_Sound_WMM* manager,
         int channels, 
         int frequency, 
         int bitsPerSample, 
         int size
         );
      virtual ~Platform_Win32_Sound_SoundStream_WMM();

   
      virtual void Play();
      virtual void Stop();

      virtual int GetPosition();
      virtual void SetPosition(int position);

      virtual void CopySoundToBuffer(int bufferOffset, const void* soundData, int bytesToCopy);
      virtual void ClearBuffer(int bufferOffset, int bytesToClear);

      virtual int GetChannels();
      virtual int GetFrequency();
      virtual int GetBitsPerSample();
      virtual int GetSize();

      virtual void Update();

      virtual void SetVolume(float level);
      virtual float GetVolume();

   private:
      static void CALLBACK waveOutProc(HWAVEOUT hWaveOut, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2);
   
   private:
      Platform_Win32_Sound_WMM* manager_;

      static CRITICAL_SECTION waveCriticalSection_;

      void* soundBuffer_;
      int soundPosition_;

      HWAVEOUT__* hWaveOut_; 
      static const int WaveBlockSize = 8192;
      static const int WaveBlockCount = 8;
      WAVEHDR* waveBlocks_;
      int firstUsedWaveBlock_;
      int lastUsedWaveBlock_;
      void* waveBlocksBuffer_;

      bool playing_;

      int channels_;
      int frequency_;
      int bitsPerSample_;
      int size_;
   };

#endif /* __Platform_Win32_Sound_SoundStream_WMM_H__ */

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