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//-----------------------------------------------------------------------------
// File: WaveFile.h
//
// Copyright (c) Microsoft Corp. All rights reserved.
//-----------------------------------------------------------------------------
#ifndef DXUTWAVEFILE_H
#define DXUTWAVEFILE_H
//-----------------------------------------------------------------------------
// Typing macros
//-----------------------------------------------------------------------------
#define WAVEFILE_READ 1
#define WAVEFILE_WRITE 2
//-----------------------------------------------------------------------------
// Name: class CWaveFile
// Desc: Encapsulates reading or writing sound data to or from a wave file
//-----------------------------------------------------------------------------
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();
~CWaveFile();
HRESULT Open( LPWSTR 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 // DXUTWAVEFILE_H
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