Windows2003-3790/public/sdk/inc/msptrmar.h
2020-09-30 16:53:55 +02:00

96 lines
2.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////
//
//
// 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_