Source code of Windows XP (NT5)
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/***************************************************************************
*
* Copyright (C) 1999-2001 Microsoft Corporation. All Rights Reserved.
*
* File: nsp.h
* Content: Noise Suppression DMO declarations.
*
***************************************************************************/
#ifndef _NoiseSuppressp_
#define _NoiseSuppressp_
#include "dsdmobse.h"
#include "dmocom.h"
#include "dsdmo.h"
#include "PropertyHelp.h"
#include "param.h"
class CDirectSoundCaptureNoiseSuppressDMO :
public CDirectSoundDMO,
public CParamsManager,
public IDirectSoundCaptureFXNoiseSuppress,
public CComBase
{
public:
CDirectSoundCaptureNoiseSuppressDMO(IUnknown *pUnk, HRESULT *phr);
~CDirectSoundCaptureNoiseSuppressDMO();
DECLARE_IUNKNOWN;
STDMETHODIMP NDQueryInterface(REFIID riid, void **ppv);
static CComBase* WINAPI CreateInstance(IUnknown *pUnk, HRESULT *phr);
// InitOnCreation is called by the class factory to give the object a chance to initialize
// immediately after it is created. This is used to prepare the object's parameter information.
HRESULT InitOnCreation();
// The Init function is an override from the CPCMDMO base class and it provides initialization
// for the effect's actual audio processing. Note that InputType must have been set before this
// occurs in order for this to work.
HRESULT Init();
STDMETHOD(Clone) (THIS_ IMediaObjectInPlace **);
// IDirectSoundCaptureFXNoiseSuppress methods
STDMETHOD(SetAllParameters) (THIS_ LPCDSCFXNoiseSuppress);
STDMETHOD(GetAllParameters) (THIS_ LPDSCFXNoiseSuppress);
STDMETHOD(Reset) (THIS);
// IMediaParams methods
STDMETHOD(SetParam) (THIS_ DWORD dwParamIndex, MP_DATA value, bool fSkipPasssingToParamManager = false);
STDMETHOD(GetParam) (THIS_ DWORD dwParamIndex, MP_DATA* value);
// All of these methods are called by the base class
HRESULT FBRProcess(DWORD cQuanta, BYTE *pIn, BYTE *pOut);
HRESULT Discontinuity();
HRESULT ProcessInPlace(ULONG ulQuanta, LPBYTE pcbData, REFERENCE_TIME rtStart, DWORD dwFlags);
private:
BOOL m_fDirty;
BOOL m_fEnable;
BOOL m_bInitialized;
};
EXT_STD_CAPTURE_CREATE(NoiseSuppress);
#endif