152 lines
3.5 KiB
C
152 lines
3.5 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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H323call.h
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Abstract:
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Declaration of the CH323MSPCall
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Author:
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Mu Han (muhan) 5-September-1998
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--*/
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#ifndef __CONFCALL_H_
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#define __CONFCALL_H_
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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#include <H323pdu.h>
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/////////////////////////////////////////////////////////////////////////////
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// CH323MSPCall
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/////////////////////////////////////////////////////////////////////////////
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class CH323MSPCall :
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public CMSPCallMultiGraph,
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public CMSPObjectSafetyImpl
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{
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public:
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BEGIN_COM_MAP(CH323MSPCall)
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COM_INTERFACE_ENTRY(IObjectSafety)
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COM_INTERFACE_ENTRY_CHAIN(CMSPCallMultiGraph)
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END_COM_MAP()
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// ITStreamControl methods, called by the app.
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STDMETHOD (CreateStream) (
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IN long lMediaType,
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IN TERMINAL_DIRECTION Direction,
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IN OUT ITStream ** ppStream
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);
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STDMETHOD (RemoveStream) (
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IN ITStream * pStream
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);
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// methods called by the MSPAddress object.
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virtual HRESULT Init(
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IN CMSPAddress * pMSPAddress,
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IN MSP_HANDLE htCall,
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IN DWORD dwReserved,
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IN DWORD dwMediaType
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);
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virtual HRESULT ReceiveTSPCallData(
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IN PBYTE pBuffer,
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IN DWORD dwSize
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);
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HRESULT ShutDown();
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// method called by the worker thread.
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static DWORD WINAPI WorkerCallbackDispatcher(VOID *pContext);
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DWORD ProcessWorkerCallBack(
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IN PBYTE pBuffer,
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IN DWORD dwSize
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);
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HRESULT InternalShutDown();
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DWORD MSPCallAddRef()
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{
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return MSPAddRefHelper(this);
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}
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DWORD MSPCallRelease()
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{
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return MSPReleaseHelper(this);
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}
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// method called by the stream.
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HRESULT SendTSPMessage(
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IN H323MSP_MESSAGE_TYPE Type,
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IN ITStream * hmChannel,
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IN HANDLE htChannel = NULL,
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IN MEDIATYPE MediaType = MEDIA_AUDIO,
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IN DWORD dwReason = 0,
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IN DWORD dwBitRate = 0
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) const;
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protected:
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virtual HRESULT CreateStreamObject(
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IN DWORD dwMediaType,
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IN TERMINAL_DIRECTION Direction,
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IN IMediaEvent * pGraph,
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IN ITStream ** ppStream
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);
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void ProcessNewCallIndication(void);
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void ProcessOpenChannelResponse(
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IN H323MSG_OPEN_CHANNEL_RESPONSE * pOpenChannelResponse
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);
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void ProcessAcceptChannelRequest(
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IN H323MSG_ACCEPT_CHANNEL_REQUEST * pAcceptChannelRequest
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);
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void ProcessCloseChannelCommand(
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IN H323MSG_CLOSE_CHANNEL_COMMAND * pCloseChannelCommand
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);
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void ProcessIFrameRequest(
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IN H323MSG_VIDEO_FAST_UPDATE_PICTURE_COMMAND * pIFrameRequest
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);
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void ProcessFlowControlCommand(
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IN H323MSG_FLOW_CONTROL_COMMAND * pFlowControlCommand
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);
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private:
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HRESULT SendTAPIStreamEvent(
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IN ITStream * pITStream,
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IN MSP_CALL_EVENT Type,
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IN MSP_CALL_EVENT_CAUSE Cause
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);
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private:
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BOOL m_fCallConnected;
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BOOL m_fShutDown;
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};
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typedef struct _CALLWORKITEM
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{
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CH323MSPCall *pCall;
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DWORD dwLen;
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BYTE Buffer[1];
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} CALLWORKITEM, *PCALLWORKITEM;
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#endif //__CONFCALL_H_
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