windows-nt/Source/XPSP1/NT/net/published/inc/msptrmac.w
2020-09-26 16:20:57 +08:00

105 lines
2.6 KiB
OpenEdge ABL

///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Name: tmaudcap.h
//
// Description: Definition of the CAudioCaptureTerminal class
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _MSPTRMAC_H_
#define _MSPTRMAC_H_
#define WAVEIN_NAME L"WaveIn Terminal"
/////////////////////////////////////////////////////////////////////////////
// CAudioCaptureTerminal
class CAudioCaptureTerminal :
public IDispatchImpl<ITBasicAudioTerminal, &IID_ITBasicAudioTerminal, &LIBID_TAPI3Lib>,
public IDispatchImpl<ITStaticAudioTerminal, &IID_ITStaticAudioTerminal, &LIBID_TAPI3Lib>,
public CSingleFilterStaticTerminal,
public CMSPObjectSafetyImpl
{
BEGIN_COM_MAP(CAudioCaptureTerminal)
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(CAudioCaptureTerminal)
public:
CAudioCaptureTerminal();
virtual ~CAudioCaptureTerminal();
static HRESULT CreateTerminal(
IN CComPtr<IMoniker> pMoniker,
IN MSP_HANDLE htAddress,
OUT ITTerminal **ppTerm
);
HRESULT FindTerminalPin();
// 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);
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;
}
// Helper methods.
HRESULT CreateFilters();
// checks if the filters need to be created
inline HRESULT CreateFiltersIfRequired();
private:
bool m_bResourceReserved; // keeps track of whether we need to unreserve WaveOut
CComPtr<IAMAudioInputMixer> m_pIAMAudioInputMixer;
};
inline HRESULT
CAudioCaptureTerminal::CreateFiltersIfRequired(
)
{
if (m_pIFilter == NULL) return CreateFilters();
return S_OK;
}
#endif // _MSPTRMAC_H_
// eof