149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
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/*++
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Copyright (c) 1997-1999 Microsoft Corporation
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Module Name:
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MSPStrm.h
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Abstract:
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Definitions for CMSPStream class.
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--*/
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#ifndef _MSPSTRM_H_
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#pragma option push -b -a8 -pc -A- /*P_O_Push*/
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#define _MSPSTRM_H_
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/*++
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Class Description:
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Represents a stream in a call.
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--*/
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#define STRM_INITIAL 0x00000000
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#define STRM_TERMINALSELECTED 0x00000001
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#define STRM_CONFIGURED 0x00000002
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#define STRM_RUNNING 0x00000004
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#define STRM_PAUSED 0x00000008
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#define STRM_STOPPED 0x00000010
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class ATL_NO_VTABLE CMSPStream :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IDispatchImpl<ITStream, &IID_ITStream, &LIBID_TAPI3Lib>
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{
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public:
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BEGIN_COM_MAP(CMSPStream)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(ITStream)
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COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pFTM)
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END_COM_MAP()
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DECLARE_GET_CONTROLLING_UNKNOWN()
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CMSPStream();
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~CMSPStream();
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// methods of the CComObject
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virtual void FinalRelease();
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// ITStream methods, called by the app.
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STDMETHOD (get_MediaType) (
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OUT long * plMediaType
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);
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STDMETHOD (get_Direction) (
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OUT TERMINAL_DIRECTION * pTerminalDirection
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);
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STDMETHOD (get_Name) (
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OUT BSTR * ppName
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) = 0;
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STDMETHOD (SelectTerminal) (
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IN ITTerminal * pTerminal
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);
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STDMETHOD (UnselectTerminal) (
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IN ITTerminal * pTerminal
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);
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STDMETHOD (EnumerateTerminals) (
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OUT IEnumTerminal ** ppEnumTerminal
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);
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STDMETHOD (get_Terminals) (
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OUT VARIANT * pTerminals
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);
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STDMETHOD (StartStream) ();
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STDMETHOD (PauseStream) ();
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STDMETHOD (StopStream) ();
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// methods called by the MSPCall object.
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virtual HRESULT Init(
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IN HANDLE hAddress,
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IN CMSPCallBase * pMSPCall,
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IN IMediaEvent * pGraph,
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IN DWORD dwMediaType,
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IN TERMINAL_DIRECTION Direction
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);
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virtual HRESULT ShutDown();
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virtual HRESULT GetState(
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OUT DWORD * pdwStatus
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) { return E_NOTIMPL; } // BUGBUG not actually implemented here
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virtual HRESULT HandleTSPData(
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IN BYTE * pData,
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IN DWORD dwSize
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);
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virtual HRESULT ProcessGraphEvent(
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IN long lEventCode,
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IN long lParam1,
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IN long lParam2
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);
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protected:
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// Pointer to the free threaded marshaler.
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IUnknown * m_pFTM;
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// The current state of the stream.
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DWORD m_dwState;
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// The media type of this stream. Audio, video, or others.
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DWORD m_dwMediaType;
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// The direction of this stream. Incoming or outgoing.
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TERMINAL_DIRECTION m_Direction;
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// The address on which this stream is being used.
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HANDLE m_hAddress;
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// The reference to the call object.
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CMSPCallBase * m_pMSPCall;
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// The pointers to the graph object interfaces.
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IGraphBuilder * m_pIGraphBuilder;
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IMediaControl * m_pIMediaControl;
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// The list of stream objects in the call.
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CMSPArray <ITTerminal *> m_Terminals;
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// The lock that protects the stream object. The stream object
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// should never acquire the lock and then call a MSPCall method
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// that might lock.
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CMSPCritSection m_lock;
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};
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#pragma option pop /*P_O_Pop*/
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#endif // __MSPSTRM_H_
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