50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
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/*==========================================================================
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*
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* Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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*
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* File: aplayd.h
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* Content: Definition of the CAudioPlaybackDevice class
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 07/16/99 rodtoll Created
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* 11/12/99 rodtoll Modified abstraction for new waveOut support.
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* Now abstracted types look almost like dsound objects
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* 12/01/99 rodtoll Bug #121815 - Recording/Playback may contain static.
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* Added abstract call to adjust conversion quality
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* 01/27/2000 rodtoll Updated sound classes to accept playback flags,
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* buffer structures and DSBUFFERDESC instead of DSBUFFERDESC1
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* 04/04/2001 rodtoll WINBUG #343428 - DPVOICE: Voice wizard's playback is very choppy.
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*
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***************************************************************************/
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#ifndef __AUDIOPLAYBACKDEVICE_H
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#define __AUDIOPLAYBACKDEVICE_H
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class CAudioPlaybackDevice
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{
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public:
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CAudioPlaybackDevice( ) {} ;
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virtual ~CAudioPlaybackDevice() {};
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public: // Initialization
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virtual HRESULT Initialize( const GUID &guidDevice, HWND hwndOwner, WAVEFORMATEX *primaryFormat, BOOL fPriorityMode ) = 0;
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virtual HRESULT CreateBuffer( LPDSBUFFERDESC lpdsBufferDesc, DWORD dwFrameSize, CAudioPlaybackBuffer **lpapBuffer ) = 0;
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virtual BOOL IsEmulated() = 0;
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inline WAVEFORMATEX *GetPrimaryFormat() { return m_primaryFormat; };
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virtual LPDIRECTSOUND GetPlaybackDevice() = 0;
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virtual HRESULT GetMixerQuality( DIRECTSOUNDMIXER_SRCQUALITY *psrcQuality ) = 0;
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virtual HRESULT SetMixerQuality( const DIRECTSOUNDMIXER_SRCQUALITY srcQuality ) = 0;
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protected:
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WAVEFORMATEX *m_primaryFormat; // Format used by the device's mixer
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};
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#endif
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