83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
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//
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//
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//
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#ifndef _Garglep_
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#define _Garglep_
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#include "dsdmobse.h"
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#include "dmocom.h"
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#include "dsdmo.h"
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#include "PropertyHelp.h"
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#include "param.h"
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class CDirectSoundGargleDMO :
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public CDirectSoundDMO,
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public CParamsManager,
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public ISpecifyPropertyPages,
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public IDirectSoundFXGargle,
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public CParamsManager::UpdateCallback,
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public CComBase
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{
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public:
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CDirectSoundGargleDMO( IUnknown *pUnk, HRESULT *phr);
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~CDirectSoundGargleDMO();
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DECLARE_IUNKNOWN;
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STDMETHODIMP NDQueryInterface(REFIID riid, void **ppv);
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static CComBase* WINAPI CreateInstance(IUnknown *pUnk, HRESULT *phr);
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// InitOnCreation is called by the class factory to give the object a chance to initialize
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// immediately after it is created. This is used to prepare the object's parameter information.
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HRESULT InitOnCreation();
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// The Init function is an override from the CPCMDMO base class and it provides initialization
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// for the effect's actual audio processing. Note that InputType must have been set before this
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// occurs in order for this to work.
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HRESULT Init();
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STDMETHOD(Clone) (THIS_ IMediaObjectInPlace **);
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// IPersist methods
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virtual HRESULT STDMETHODCALLTYPE GetClassID( CLSID *pClassID );
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// ISpecifyPropertyPages
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STDMETHOD(GetPages)(CAUUID * pPages) { return PropertyHelp::GetPages(CLSID_DirectSoundPropGargle, pPages); }
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// IPersistStream
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STDMETHOD(IsDirty)(void) { return m_fDirty ? S_OK : S_FALSE; }
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STDMETHOD(Load)(IStream *pStm) { return PropertyHelp::Load(this, DSFXGargle(), pStm); }
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STDMETHOD(Save)(IStream *pStm, BOOL fClearDirty) { return PropertyHelp::Save(this, DSFXGargle(), pStm, fClearDirty); }
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STDMETHOD(GetSizeMax)(ULARGE_INTEGER *pcbSize) { if (!pcbSize) return E_POINTER; pcbSize->QuadPart = sizeof(DSFXGargle); return S_OK; }
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// IDirectSoundFXGargle
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STDMETHOD(SetAllParameters) (THIS_ LPCDSFXGargle);
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STDMETHOD(GetAllParameters) (THIS_ LPDSFXGargle);
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// SetParam handling
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STDMETHODIMP SetParam(DWORD dwParamIndex,MP_DATA value) { return SetParamInternal(dwParamIndex, value, false); }
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HRESULT SetParamUpdate(DWORD dwParamIndex, MP_DATA value) { return SetParamInternal(dwParamIndex, value, true); }
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HRESULT SetParamInternal(DWORD dwParamIndex, MP_DATA value, bool fSkipPasssingToParamManager);
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// All of these methods are called by the base class
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HRESULT FBRProcess(DWORD cQuanta, BYTE *pIn, BYTE *pOut);
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HRESULT Discontinuity();
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HRESULT ProcessInPlace(ULONG ulQuanta, LPBYTE pcbData, REFERENCE_TIME rtStart, DWORD dwFlags);
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bool m_fDirty;
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private:
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// gargle params
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ULONG m_ulShape;
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ULONG m_ulGargleFreqHz;
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// gargle state
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ULONG m_ulPeriod;
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ULONG m_ulPhase;
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BOOL m_bInitialized;
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};
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EXT_STD_CREATE(Gargle);
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#endif
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