moflib-1.0/src/mof/sound/CWaveFile.h

   1 //-----------------------------------------------------------------------------
   2 // File: DSUtil.h
   3 //
   4 // Desc:
   5 //
   6 // Copyright (c) 1999-2000 Microsoft Corp. All rights reserved.
   7 //-----------------------------------------------------------------------------
   8 #ifndef DSUTIL_H
   9 #define DSUTIL_H
  10
  11 #include <windows.h>
  12 #include <mmsystem.h>
  13 //#include <mmreg.h>
  14 #include <dsound.h>
  15
  16
  17
  18 namespace mof{
  19
  20
  21         //-----------------------------------------------------------------------------
  22         // Typing macros
  23         //-----------------------------------------------------------------------------
  24         #define WAVEFILE_READ   1
  25         #define WAVEFILE_WRITE  2
  26
  27         #define DSUtil_StopSound(s)         { if(s) s->Stop(); }
  28         #define DSUtil_PlaySound(s)         { if(s) s->Play( 0, 0 ); }
  29         #define DSUtil_PlaySoundLooping(s)  { if(s) s->Play( 0, DSBPLAY_LOOPING ); }
  30
  31
  32         #define SAFE_DELETE(p)       { if(p) { delete (p);     (p)=NULL; } }
  33         #define SAFE_DELETE_ARRAY(p) { if(p) { delete[] (p);   (p)=NULL; } }
  34         #define SAFE_RELEASE(p)      { if(p) { (p)->Release(); (p)=NULL; } }
  35
  36         //-----------------------------------------------------------------------------
  37         // Name: class CWaveFile
  38         // Desc: Encapsulates reading or writing sound data to or from a wave file
  39         //-----------------------------------------------------------------------------
  40         class CWaveFile
  41         {
  42         public:
  43                 WAVEFORMATEX* m_pwfx;        // Pointer to WAVEFORMATEX structure
  44                 HMMIO         m_hmmio;       // MM I/O handle for the WAVE
  45                 MMCKINFO      m_ck;          // Multimedia RIFF chunk
  46                 MMCKINFO      m_ckRiff;      // Use in opening a WAVE file
  47                 DWORD         m_dwSize;      // The size of the wave file
  48                 MMIOINFO      m_mmioinfoOut;
  49
  50                 BOOL          m_bIsReadingFromMemory;
  51                 BYTE*         m_pbData;
  52                 BYTE*         m_pbDataCur;
  53                 ULONG         m_ulDataSize;
  54
  55                 //WAVEFORMATEX* m_pwfx;
  56                 //HMMIO m_hmmio;
  57                 char* m_pResourceBuffer;
  58                 //DWORD m_dwSize;
  59                 //BOOL m_bIsReadingFromMemory;
  60                 DWORD         m_dwFlags;
  61
  62         protected:
  63                 HRESULT readMMIO();
  64                 HRESULT writeMMIO( WAVEFORMATEX *pwfxDest );
  65
  66         public:
  67                 CWaveFile();
  68                 ~CWaveFile();
  69
  70                 HRESULT open( LPTSTR strFileName, WAVEFORMATEX* pwfx, DWORD dwFlags );
  71                 HRESULT openFromMemory( BYTE* pbData, ULONG ulDataSize, WAVEFORMATEX* pwfx, DWORD dwFlags );
  72                 HRESULT close();
  73
  74                 HRESULT read( BYTE* pBuffer, DWORD dwSizeToRead, DWORD* pdwSizeRead );
  75                 HRESULT write( UINT nSizeToWrite, BYTE* pbData, UINT* pnSizeWrote );
  76
  77                 DWORD   getSize();
  78                 HRESULT resetFile();
  79                 WAVEFORMATEX* getFormat() { return m_pwfx; };
  80         };
  81
  82 };
  83
  84
  85 #endif // DSUTIL_H