sound.h

C++ 写的VOICE OVER IP 很好的例子

// Sound.h: interface for the CSound class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SOUND_H__9B6DC959_1F3B_43DE_ACF3_5EA176563E82__INCLUDED_)
#define AFX_SOUND_H__9B6DC959_1F3B_43DE_ACF3_5EA176563E82__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <windows.h>
#include <mmsystem.h>
#include <mmreg.h>
#include <dsound.h>
#include "WaveFile.h"


class CSound  
{
protected:
    LPDIRECTSOUNDBUFFER* m_apDSBuffer;
    DWORD                m_dwDSBufferSize;
    CWaveFile*           m_pWaveFile;
    DWORD                m_dwNumBuffers;

    HRESULT RestoreBuffer( LPDIRECTSOUNDBUFFER pDSB, BOOL* pbWasRestored );

public:
    CSound( LPDIRECTSOUNDBUFFER* apDSBuffer, DWORD dwDSBufferSize, DWORD dwNumBuffers, CWaveFile* pWaveFile );
    virtual ~CSound();

    HRESULT Get3DBufferInterface( DWORD dwIndex, LPDIRECTSOUND3DBUFFER* ppDS3DBuffer );
    HRESULT FillBufferWithSound( LPDIRECTSOUNDBUFFER pDSB, BOOL bRepeatWavIfBufferLarger );
    LPDIRECTSOUNDBUFFER GetFreeBuffer();
    LPDIRECTSOUNDBUFFER GetBuffer( DWORD dwIndex );

    HRESULT Play( DWORD dwPriority = 0, DWORD dwFlags = 0 );
    HRESULT Stop();
    HRESULT Reset();
    BOOL    IsSoundPlaying();

};

#endif // !defined(AFX_SOUND_H__9B6DC959_1F3B_43DE_ACF3_5EA176563E82__INCLUDED_)