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//-----------------------------------------------------------------------------
// File: DXUTsound.h
//
// Copyright (c) Microsoft Corp. All rights reserved.
//-----------------------------------------------------------------------------
#ifndef DXUTSOUND_H
#define DXUTSOUND_H
//-----------------------------------------------------------------------------
// Header Includes
//-----------------------------------------------------------------------------
#include <dsound.h>
#include <ks.h>
//-----------------------------------------------------------------------------
// Classes used by this header
//-----------------------------------------------------------------------------
class CSoundManager;
class CSound;
class CStreamingSound;
class CWaveFile;
//-----------------------------------------------------------------------------
// Typing macros
//-----------------------------------------------------------------------------
#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();
};
#endif // DXUTSOUND_H
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