Msptrmar.h
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上传日期:2019-04-29
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- ///////////////////////////////////////////////////////////////////////////////
- //
- //
- // Copyright (c) Microsoft Corporation. All rights reserved.
- //
- //
- // Name: msptrmar.h
- //
- // Description: Definition of the CAudioRenderTerminal class
- //
- ///////////////////////////////////////////////////////////////////////////////
- #ifndef _MSPTRMAR_H_
- #define _MSPTRMAR_H_
- #define WAVEOUT_NAME L"WaveOut Terminal"
- #define MIXER_NAME L"PCM Mixer"
- /////////////////////////////////////////////////////////////////////////////
- // CAudioRenderTerminal
- class CAudioRenderTerminal :
- public IDispatchImpl<ITBasicAudioTerminal, &IID_ITBasicAudioTerminal, &LIBID_TAPI3Lib>,
- public IDispatchImpl<ITStaticAudioTerminal, &IID_ITStaticAudioTerminal, &LIBID_TAPI3Lib>,
- public CSingleFilterStaticTerminal,
- public CMSPObjectSafetyImpl
- {
- public:
- CAudioRenderTerminal();
- virtual ~CAudioRenderTerminal();
- // Helper methods.
- HRESULT InitializeDefaultTerminal();
- static HRESULT CreateTerminal(
- IN CComPtr<IMoniker> pMoniker,
- IN MSP_HANDLE htAddress,
- OUT ITTerminal **ppTerm
- );
- HRESULT FindTerminalPin();
- BEGIN_COM_MAP(CAudioRenderTerminal)
- COM_INTERFACE_ENTRY(IObjectSafety)
- COM_INTERFACE_ENTRY(ITBasicAudioTerminal)
- COM_INTERFACE_ENTRY(ITStaticAudioTerminal)
- COM_INTERFACE_ENTRY_CHAIN(CSingleFilterStaticTerminal)
- END_COM_MAP()
- DECLARE_VQI()
- DECLARE_LOG_ADDREF_RELEASE(CAudioRenderTerminal)
- // ITBasicAudioTerminal
- public:
- STDMETHOD(get_Balance)(OUT long *pVal);
- STDMETHOD(put_Balance)(IN long newVal);
- STDMETHOD(get_Volume) (OUT long *pVal);
- STDMETHOD(put_Volume) (IN long newVal);
- // ITStaticAudioTerminal
- public:
- STDMETHOD(get_WaveId) (OUT long * plWaveId);
- // Implementation
- public:
- // CBaseTerminal overrides
- STDMETHODIMP CompleteConnectTerminal(void);
- STDMETHODIMP DisconnectTerminal(
- IN IGraphBuilder * pGraph,
- IN DWORD dwReserved
- );
-
- virtual HRESULT AddFiltersToGraph();
- virtual DWORD GetSupportedMediaTypes(void)
- {
- return (DWORD) TAPIMEDIATYPE_AUDIO;
- }
- HRESULT CreateFilters();
- private:
- // Keeps track of whether we need to unreserve WaveOut
- bool m_bResourceReserved;
- CComPtr<IBasicAudio> m_pIBasicAudio;
- };
- #endif // _MSPTRMAR_H_