Source code of Windows XP (NT5)
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/*==========================================================================
* * Copyright (C) 1999 Microsoft Corporation. All Rights Reserved. * * File: arecd.h * Content: Definition of the CAudioRecordDevice class * * History: * Date By Reason * ==== == ====== * 07/16/99 rodtoll Created * 08/04/99 rodtoll Updated to take dsound ranges for volume * 11/12/99 rodtoll Modified abstraction for new waveIN support. * Now abstracted types look almost like dsoundcap objects * 12/01/99 rodtoll Bug #121815 - Recording/Playback may contain static. * Added abstract call to adjust conversion quality * 12/08/99 rodtoll Bug #121054 - DirectX 7.1 support. * Added hwndOwner param for capture focus support * ***************************************************************************/
#ifndef __AUDIORECORDDEVICE_H
#define __AUDIORECORDDEVICE_H
class CAudioRecordDevice;
// CAudioRecordDevice
//
// This class provides an abstract interface for the recording devices in
// the system. The various subsystems provide implementations of this class
// specific to the subsystem. Applications use the interface described by this
// class to work with recording devices.
//
// WARNING:
// In many cases you must initialize the playback before you can initialize
// the recording. Therefore you must create and initialize your
// CAudioPlaybackDevice BEFORE you create your CAudioRecordDevice object.
//
class CAudioRecordDevice{public: CAudioRecordDevice( ) {} ; virtual ~CAudioRecordDevice() {} ;
public: // Initialization
virtual HRESULT Initialize( const GUID &refguidDevice ) = 0; virtual HRESULT CreateBuffer( LPDSCBUFFERDESC lpdscBufferDesc, HWND hwndOwner, DWORD dwFrameSize, CAudioRecordBuffer **lpapBuffer ) = 0;
virtual LPDIRECTSOUNDCAPTURE GetCaptureDevice() = 0;
virtual HRESULT GetMixerQuality( DIRECTSOUNDMIXER_SRCQUALITY *psrcQuality ) = 0; virtual HRESULT SetMixerQuality( const DIRECTSOUNDMIXER_SRCQUALITY srcQuality ) = 0; };
#endif
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