148 lines
3.2 KiB
C
148 lines
3.2 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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ConfStrm.h
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Abstract:
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Definitions for CH323MSPStream class.
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Author:
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Mu Han (muhan) 1-November-1997
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--*/
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#ifndef __CONFSTRM_H
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#define __CONFSTRM_H
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/////////////////////////////////////////////////////////////////////////////
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// CH323MSPStream
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/////////////////////////////////////////////////////////////////////////////
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const DWORD DEFAULT_TTL = 127;
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//#define DEBUG_REFCOUNT
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#ifdef DEBUG_REFCOUNT
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extern LONG g_lStreamObjects;
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#endif
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class CH323MSPStream :
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public CMSPStream,
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public CMSPObjectSafetyImpl
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{
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public:
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BEGIN_COM_MAP(CH323MSPStream)
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COM_INTERFACE_ENTRY(IObjectSafety)
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COM_INTERFACE_ENTRY_CHAIN(CMSPStream)
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END_COM_MAP()
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CH323MSPStream();
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DWORD MediaType() const { return m_dwMediaType; }
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TERMINAL_DIRECTION Direction() const { return m_Direction; }
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HANDLE TSPChannel();
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BOOL IsConfigured();
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BOOL IsTerminalSelected();
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VOID CallConnect();
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#ifdef DEBUG_REFCOUNT
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ULONG InternalAddRef();
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ULONG InternalRelease();
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#endif
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virtual HRESULT Configure(
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IN HANDLE htChannel,
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IN STREAMSETTINGS &StreamSettings
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) = 0;
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virtual HRESULT SendIFrame() { return S_OK; }
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virtual HRESULT ChangeMaxBitRate(DWORD dwMaxBitRate) { return S_OK; }
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// CMSPStream methods.
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HRESULT ShutDown ();
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// ITStream
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STDMETHOD (get_Name) (
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OUT BSTR * ppName
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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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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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protected:
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virtual HRESULT CheckTerminalTypeAndDirection(
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IN ITTerminal * pTerminal
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);
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virtual HRESULT SendStreamEvent(
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IN MSP_CALL_EVENT Event,
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IN MSP_CALL_EVENT_CAUSE Cause,
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IN HRESULT hrError,
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IN ITTerminal * pTerminal
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);
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virtual HRESULT ConnectTerminal(
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IN ITTerminal * pITTerminal
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) = 0;
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virtual HRESULT DisconnectTerminal(
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IN ITTerminal * pITTerminal
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);
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virtual HRESULT InternalConfigure();
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virtual HRESULT SetUpFilters() = 0;
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virtual HRESULT CleanUpFilters();
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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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virtual HRESULT ProcessQOSEvent(
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IN long lEventCode
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);
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virtual HRESULT HandlePacketReceiveLoss(
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IN DWORD dwLossRate
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);
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virtual HRESULT HandlePacketTransmitLoss(
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IN DWORD dwLossRate
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);
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protected:
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const WCHAR * m_szName;
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const GUID * m_pClsidPHFilter;
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const GUID * m_pClsidCodecFilter;
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const GUID * m_pRPHInputMinorType; // only used in receiving stream.
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BOOL m_fNeedsToOpenChannel;
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BOOL m_fIsConfigured;
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STREAMSETTINGS m_Settings;
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IBaseFilter * m_pEdgeFilter;
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HANDLE m_htChannel;
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};
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#endif
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