60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
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//-----------------------------------------------------------------------------
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// File: WaveFile.h
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//
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// Copyright (c) Microsoft Corp. All rights reserved.
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//-----------------------------------------------------------------------------
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#ifndef DXUTWAVEFILE_H
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#define DXUTWAVEFILE_H
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//-----------------------------------------------------------------------------
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// Typing macros
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//-----------------------------------------------------------------------------
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#define WAVEFILE_READ 1
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#define WAVEFILE_WRITE 2
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//-----------------------------------------------------------------------------
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// Name: class CWaveFile
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// Desc: Encapsulates reading or writing sound data to or from a wave file
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//-----------------------------------------------------------------------------
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class CWaveFile
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{
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public:
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WAVEFORMATEX* m_pwfx; // Pointer to WAVEFORMATEX structure
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HMMIO m_hmmio; // MM I/O handle for the WAVE
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MMCKINFO m_ck; // Multimedia RIFF chunk
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MMCKINFO m_ckRiff; // Use in opening a WAVE file
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DWORD m_dwSize; // The size of the wave file
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MMIOINFO m_mmioinfoOut;
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DWORD m_dwFlags;
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BOOL m_bIsReadingFromMemory;
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BYTE* m_pbData;
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BYTE* m_pbDataCur;
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ULONG m_ulDataSize;
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CHAR* m_pResourceBuffer;
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protected:
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HRESULT ReadMMIO();
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HRESULT WriteMMIO( WAVEFORMATEX* pwfxDest );
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public:
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CWaveFile();
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~CWaveFile();
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HRESULT Open( LPWSTR strFileName, WAVEFORMATEX* pwfx, DWORD dwFlags );
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HRESULT OpenFromMemory( BYTE* pbData, ULONG ulDataSize, WAVEFORMATEX* pwfx, DWORD dwFlags );
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HRESULT Close();
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HRESULT Read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead );
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HRESULT Write( UINT nSizeToWrite, BYTE* pbData, UINT* pnSizeWrote );
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DWORD GetSize();
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HRESULT ResetFile();
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WAVEFORMATEX* GetFormat()
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{
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return m_pwfx;
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};
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};
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#endif // DXUTWAVEFILE_H
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