wavefile.h

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// WaveFile.h: interface for the CWaveFile class.
// 应用DirectX8.1 sdk 中的有关头文件
#include "windows.h"
#include "mmsystem.h"
#include "dxerr8.h"
#include "dsound.h"
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_WAVEFILE_H__0902FDFA_8017_4C9D_B4CD_CAFDA90D2624__INCLUDED_)
#define AFX_WAVEFILE_H__0902FDFA_8017_4C9D_B4CD_CAFDA90D2624__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CWaveFile  
{
public:
    WAVEFORMATEX* m_pwfx;        // Pointer to WAVEFORMATEX structure
    HMMIO         m_hmmio;       // MM I/O handle for the WAVE
    MMCKINFO      m_ck;          // Multimedia RIFF chunk
    MMCKINFO      m_ckRiff;      // Use in opening a WAVE file
    DWORD         m_dwSize;      // The size of the wave file
    MMIOINFO      m_mmioinfoOut;
    DWORD         m_dwFlags;
    BOOL          m_bIsReadingFromMemory;
    BYTE*         m_pbData;
    BYTE*         m_pbDataCur;
    ULONG         m_ulDataSize;
    CHAR*         m_pResourceBuffer;
protected:
    HRESULT ReadMMIO();
    HRESULT WriteMMIO( WAVEFORMATEX *pwfxDest );
public:
	CWaveFile();
	virtual ~CWaveFile();
	 HRESULT Open( LPTSTR strFileName, WAVEFORMATEX* pwfx, DWORD dwFlags );
    HRESULT OpenFromMemory( BYTE* pbData, ULONG ulDataSize, WAVEFORMATEX* pwfx, DWORD dwFlags );
    HRESULT Close();

    HRESULT Read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead );
    HRESULT Write( UINT nSizeToWrite, BYTE* pbData, UINT* pnSizeWrote );

    DWORD   GetSize();
    HRESULT ResetFile();
    WAVEFORMATEX* GetFormat() { return m_pwfx; };

};

#endif // !defined(AFX_WAVEFILE_H__0902FDFA_8017_4C9D_B4CD_CAFDA90D2624__INCLUDED_)