125 lines
5.1 KiB
C
125 lines
5.1 KiB
C
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//-----------------------------------------------------------------------------
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// File: DXUTsound.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 DXUTSOUND_H
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#define DXUTSOUND_H
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//-----------------------------------------------------------------------------
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// Header Includes
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//-----------------------------------------------------------------------------
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#include <dsound.h>
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#include <ks.h>
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//-----------------------------------------------------------------------------
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// Classes used by this header
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//-----------------------------------------------------------------------------
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class CSoundManager;
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class CSound;
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class CStreamingSound;
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class CWaveFile;
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//-----------------------------------------------------------------------------
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// Typing macros
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//-----------------------------------------------------------------------------
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#define DXUT_StopSound(s) { if(s) s->Stop(); }
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#define DXUT_PlaySound(s) { if(s) s->Play( 0, 0 ); }
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#define DXUT_PlaySoundLooping(s) { if(s) s->Play( 0, DSBPLAY_LOOPING ); }
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//-----------------------------------------------------------------------------
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// Name: class CSoundManager
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// Desc:
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//-----------------------------------------------------------------------------
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class CSoundManager
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{
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protected:
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IDirectSound8* m_pDS;
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public:
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CSoundManager();
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~CSoundManager();
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HRESULT Initialize( HWND hWnd, DWORD dwCoopLevel );
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inline LPDIRECTSOUND8 GetDirectSound()
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{
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return m_pDS;
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}
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HRESULT SetPrimaryBufferFormat( DWORD dwPrimaryChannels, DWORD dwPrimaryFreq,
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DWORD dwPrimaryBitRate );
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HRESULT Get3DListenerInterface( LPDIRECTSOUND3DLISTENER* ppDSListener );
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HRESULT Create( CSound** ppSound, LPWSTR strWaveFileName, DWORD dwCreationFlags = 0,
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GUID guid3DAlgorithm = GUID_NULL, DWORD dwNumBuffers = 1 );
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HRESULT CreateFromMemory( CSound** ppSound, BYTE* pbData, ULONG ulDataSize, LPWAVEFORMATEX pwfx,
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DWORD dwCreationFlags = 0, GUID guid3DAlgorithm = GUID_NULL,
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DWORD dwNumBuffers = 1 );
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HRESULT CreateStreaming( CStreamingSound** ppStreamingSound, LPWSTR strWaveFileName,
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DWORD dwCreationFlags, GUID guid3DAlgorithm, DWORD dwNotifyCount,
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DWORD dwNotifySize, HANDLE hNotifyEvent );
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};
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//-----------------------------------------------------------------------------
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// Name: class CSound
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// Desc: Encapsulates functionality of a DirectSound buffer.
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//-----------------------------------------------------------------------------
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class CSound
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{
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protected:
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LPDIRECTSOUNDBUFFER* m_apDSBuffer;
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DWORD m_dwDSBufferSize;
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CWaveFile* m_pWaveFile;
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DWORD m_dwNumBuffers;
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DWORD m_dwCreationFlags;
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HRESULT RestoreBuffer( LPDIRECTSOUNDBUFFER pDSB, BOOL* pbWasRestored );
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public:
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CSound( LPDIRECTSOUNDBUFFER* apDSBuffer, DWORD dwDSBufferSize, DWORD dwNumBuffers,
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CWaveFile* pWaveFile, DWORD dwCreationFlags );
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virtual ~CSound();
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HRESULT Get3DBufferInterface( DWORD dwIndex, LPDIRECTSOUND3DBUFFER* ppDS3DBuffer );
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HRESULT FillBufferWithSound( LPDIRECTSOUNDBUFFER pDSB, BOOL bRepeatWavIfBufferLarger );
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LPDIRECTSOUNDBUFFER GetFreeBuffer();
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LPDIRECTSOUNDBUFFER GetBuffer( DWORD dwIndex );
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HRESULT Play( DWORD dwPriority = 0, DWORD dwFlags = 0, LONG lVolume = 0, LONG lFrequency = -1,
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LONG lPan = 0 );
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HRESULT Play3D( LPDS3DBUFFER p3DBuffer, DWORD dwPriority = 0, DWORD dwFlags = 0, LONG lFrequency = 0 );
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HRESULT Stop();
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HRESULT Reset();
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BOOL IsSoundPlaying();
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};
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//-----------------------------------------------------------------------------
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// Name: class CStreamingSound
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// Desc: Encapsulates functionality to play a wave file with DirectSound.
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// The Create() method loads a chunk of wave file into the buffer,
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// and as sound plays more is written to the buffer by calling
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// HandleWaveStreamNotification() whenever hNotifyEvent is signaled.
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//-----------------------------------------------------------------------------
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class CStreamingSound : public CSound
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{
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protected:
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DWORD m_dwLastPlayPos;
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DWORD m_dwPlayProgress;
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DWORD m_dwNotifySize;
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DWORD m_dwNextWriteOffset;
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BOOL m_bFillNextNotificationWithSilence;
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public:
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CStreamingSound( LPDIRECTSOUNDBUFFER pDSBuffer, DWORD dwDSBufferSize, CWaveFile* pWaveFile,
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DWORD dwNotifySize );
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~CStreamingSound();
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HRESULT HandleWaveStreamNotification( BOOL bLoopedPlay );
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HRESULT Reset();
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};
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#endif // DXUTSOUND_H
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