DXUTsound.h
资源名称:Direct3D.rar [点击查看]
上传用户:junlon
上传日期:2022-01-05
资源大小:39075k
文件大小:6k
源码类别:
DirextX编程
开发平台:
Visual C++
- //-----------------------------------------------------------------------------
- // File: DXUTsound.h
- //
- // Copyright (c) Microsoft Corp. All rights reserved.
- //-----------------------------------------------------------------------------
- #ifndef DXUTSOUND_H
- #define DXUTSOUND_H
- //-----------------------------------------------------------------------------
- // Classes used by this header
- //-----------------------------------------------------------------------------
- class CSoundManager;
- class CSound;
- class CStreamingSound;
- class CWaveFile;
- //-----------------------------------------------------------------------------
- // Typing macros
- //-----------------------------------------------------------------------------
- #define WAVEFILE_READ 1
- #define WAVEFILE_WRITE 2
- #define DXUT_StopSound(s) { if(s) s->Stop(); }
- #define DXUT_PlaySound(s) { if(s) s->Play( 0, 0 ); }
- #define DXUT_PlaySoundLooping(s) { if(s) s->Play( 0, DSBPLAY_LOOPING ); }
- //-----------------------------------------------------------------------------
- // Name: class CSoundManager
- // Desc:
- //-----------------------------------------------------------------------------
- class CSoundManager
- {
- protected:
- IDirectSound8* m_pDS;
- public:
- CSoundManager();
- ~CSoundManager();
- HRESULT Initialize( HWND hWnd, DWORD dwCoopLevel );
- inline LPDIRECTSOUND8 GetDirectSound() { return m_pDS; }
- HRESULT SetPrimaryBufferFormat( DWORD dwPrimaryChannels, DWORD dwPrimaryFreq, DWORD dwPrimaryBitRate );
- HRESULT Get3DListenerInterface( LPDIRECTSOUND3DLISTENER* ppDSListener );
- HRESULT Create( CSound** ppSound, LPWSTR strWaveFileName, DWORD dwCreationFlags = 0, GUID guid3DAlgorithm = GUID_NULL, DWORD dwNumBuffers = 1 );
- HRESULT CreateFromMemory( CSound** ppSound, BYTE* pbData, ULONG ulDataSize, LPWAVEFORMATEX pwfx, DWORD dwCreationFlags = 0, GUID guid3DAlgorithm = GUID_NULL, DWORD dwNumBuffers = 1 );
- HRESULT CreateStreaming( CStreamingSound** ppStreamingSound, LPWSTR strWaveFileName, DWORD dwCreationFlags, GUID guid3DAlgorithm, DWORD dwNotifyCount, DWORD dwNotifySize, HANDLE hNotifyEvent );
- };
- //-----------------------------------------------------------------------------
- // Name: class CSound
- // Desc: Encapsulates functionality of a DirectSound buffer.
- //-----------------------------------------------------------------------------
- class CSound
- {
- protected:
- LPDIRECTSOUNDBUFFER* m_apDSBuffer;
- DWORD m_dwDSBufferSize;
- CWaveFile* m_pWaveFile;
- DWORD m_dwNumBuffers;
- DWORD m_dwCreationFlags;
- HRESULT RestoreBuffer( LPDIRECTSOUNDBUFFER pDSB, BOOL* pbWasRestored );
- public:
- CSound( LPDIRECTSOUNDBUFFER* apDSBuffer, DWORD dwDSBufferSize, DWORD dwNumBuffers, CWaveFile* pWaveFile, DWORD dwCreationFlags );
- 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, LONG lVolume = 0, LONG lFrequency = -1, LONG lPan = 0 );
- HRESULT Play3D( LPDS3DBUFFER p3DBuffer, DWORD dwPriority = 0, DWORD dwFlags = 0, LONG lFrequency = 0 );
- HRESULT Stop();
- HRESULT Reset();
- BOOL IsSoundPlaying();
- };
- //-----------------------------------------------------------------------------
- // Name: class CStreamingSound
- // Desc: Encapsulates functionality to play a wave file with DirectSound.
- // The Create() method loads a chunk of wave file into the buffer,
- // and as sound plays more is written to the buffer by calling
- // HandleWaveStreamNotification() whenever hNotifyEvent is signaled.
- //-----------------------------------------------------------------------------
- class CStreamingSound : public CSound
- {
- protected:
- DWORD m_dwLastPlayPos;
- DWORD m_dwPlayProgress;
- DWORD m_dwNotifySize;
- DWORD m_dwNextWriteOffset;
- BOOL m_bFillNextNotificationWithSilence;
- public:
- CStreamingSound( LPDIRECTSOUNDBUFFER pDSBuffer, DWORD dwDSBufferSize, CWaveFile* pWaveFile, DWORD dwNotifySize );
- ~CStreamingSound();
- HRESULT HandleWaveStreamNotification( BOOL bLoopedPlay );
- HRESULT Reset();
- };
- //-----------------------------------------------------------------------------
- // 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 // DXUTSOUND_H