425 lines
10 KiB
C
425 lines
10 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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Confvid.h
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Abstract:
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Definitions for audio streams
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Author:
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Mu Han (muhan) 15-September-1998
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--*/
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#ifndef __CONFVID_H_
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#define __CONFVID_H_
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// if there is no data for five senconds, the pin can be reused.
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const DWORD g_dwVideoPinTimeOut = 5000;
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const DWORD g_dwVideoThreadPriority = THREAD_PRIORITY_NORMAL;
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const DWORD g_dwVideoChannels = 20;
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const BOOL g_fCIF = FALSE;
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const DWORD g_dwVideoSampleRate = 7;
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const int CIFWIDTH = 0x160;
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const int CIFHEIGHT = 0x120;
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const int QCIFWIDTH = 0xb0;
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const int QCIFHEIGHT = 0x90;
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const DWORD LAYERID = 0;
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typedef struct _PINMAPEVENT
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{
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IPin * pIPin;
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DWORD dwSSRC;
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} PINMAPEVENT;
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// This data structure keeps the information for on brach of filters off one
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// demux output pin.
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typedef struct _BRANCH
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{
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IPin * pIPin;
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DWORD dwSSRC;
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IBaseFilter * pCodecFilter;
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ITTerminal * pITTerminal;
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ITSubStream * pITSubStream;
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IBitrateControl *pBitrateControl;
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} BRANCH;
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class ATL_NO_VTABLE CStreamVideoRecv :
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public CIPConfMSPStream,
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public IDispatchImpl<ITSubStreamControl,
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&__uuidof(ITSubStreamControl), &LIBID_TAPI3Lib>,
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public IDispatchImpl<ITParticipantSubStreamControl,
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&__uuidof(ITParticipantSubStreamControl), &LIBID_IPConfMSPLib>
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{
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public:
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CStreamVideoRecv();
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BEGIN_COM_MAP(CStreamVideoRecv)
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COM_INTERFACE_ENTRY(ITSubStreamControl)
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COM_INTERFACE_ENTRY(ITParticipantSubStreamControl)
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COM_INTERFACE_ENTRY2(IDispatch, ITStream)
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COM_INTERFACE_ENTRY_CHAIN(CIPConfMSPStream)
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END_COM_MAP()
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// ITStream
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STDMETHOD (StopStream) ();
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// ITSubStreamControl methods, called by the app.
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STDMETHOD (CreateSubStream) (
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IN OUT ITSubStream ** ppSubStream
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);
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STDMETHOD (RemoveSubStream) (
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IN ITSubStream * pSubStream
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);
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STDMETHOD (EnumerateSubStreams) (
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OUT IEnumSubStream ** ppEnumSubStream
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);
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STDMETHOD (get_SubStreams) (
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OUT VARIANT * pSubStreams
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);
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// ITParticipantSubStreamControl methods, called by the app.
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STDMETHOD (get_SubStreamFromParticipant) (
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IN ITParticipant * pITParticipant,
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OUT ITSubStream ** ppITSubStream
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);
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STDMETHOD (get_ParticipantFromSubStream) (
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IN ITSubStream * pITSubStream,
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OUT ITParticipant ** ppITParticipant
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);
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STDMETHOD (SwitchTerminalToSubStream) (
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IN ITTerminal * pITTerminal,
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IN ITSubStream * pITSubStream
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);
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// method 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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HRESULT SubStreamSelectTerminal(
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IN ITSubStream * pITSubStream,
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IN ITTerminal * pITTerminal
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);
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//
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// ITStreamQualityControl methods
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//
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STDMETHOD (Set) (
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IN StreamQualityProperty Property,
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IN long lValue,
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IN TAPIControlFlags lFlags
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);
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//
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//IInnerStreamQualityControl methods
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//
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STDMETHOD (Get) (
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IN InnerStreamQualityProperty property,
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OUT LONG *plValue,
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OUT TAPIControlFlags *plFlags
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);
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// method called by quality controller
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INT GetSubStreamCount () { return m_SubStreams.GetSize (); }
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protected:
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HRESULT CheckTerminalTypeAndDirection(
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IN ITTerminal * pTerminal
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);
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HRESULT ShutDown();
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HRESULT SetUpFilters();
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HRESULT SetUpInternalFilters();
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HRESULT ConnectTerminal(
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IN ITTerminal * pITTerminal
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);
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HRESULT DisconnectTerminal(
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IN ITTerminal * pITTerminal
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);
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HRESULT ConfigureRTPFormats(
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IN IBaseFilter * pIRTPFilter,
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IN IStreamConfig * pIStreamConfig
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);
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HRESULT InternalCreateSubStream(
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OUT ITSubStream ** ppITSubStream
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);
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HRESULT ProcessTalkingEvent(
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IN DWORD dwSSRC
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);
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HRESULT ProcessSilentEvent(
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IN DWORD dwSSRC
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);
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HRESULT ProcessPinMappedEvent(
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IN DWORD dwSSRC,
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IN IPin * pIPin
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);
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HRESULT ProcessPinUnmapEvent(
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IN DWORD dwSSRC,
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IN IPin * pIPin
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);
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HRESULT ProcessParticipantLeave(
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IN DWORD dwSSRC
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);
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HRESULT NewParticipantPostProcess(
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IN DWORD dwSSRC,
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IN ITParticipant *pITParticipant
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);
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HRESULT AddOneBranch(
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BRANCH * pBranch,
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BOOL fFirstBranch,
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BOOL fDirectRTP
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);
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HRESULT RemoveOneBranch(
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BRANCH * pBranch
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);
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HRESULT ConnectPinToTerminal(
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IN IPin * pOutputPin,
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IN ITTerminal * pITTerminal
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);
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protected:
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CMSPArray <ITSubStream *> m_SubStreams;
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// This array store information about all the branches off the demux
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CMSPArray <BRANCH> m_Branches;
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CMSPArray <PINMAPEVENT> m_PinMappedEvents;
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};
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class ATL_NO_VTABLE CStreamVideoSend :
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public CIPConfMSPStream
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{
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BEGIN_COM_MAP(CStreamVideoSend)
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COM_INTERFACE_ENTRY_CHAIN(CIPConfMSPStream)
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END_COM_MAP()
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public:
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CStreamVideoSend();
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~CStreamVideoSend();
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HRESULT ShutDown ();
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//
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//IInnerStreamQualityControl methods
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//
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STDMETHOD (GetRange) (
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IN InnerStreamQualityProperty property,
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OUT LONG *plMin,
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OUT LONG *plMax,
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OUT LONG *plSteppingDelta,
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OUT LONG *plDefault,
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OUT TAPIControlFlags *plFlags
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);
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STDMETHOD (Get) (
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IN InnerStreamQualityProperty property,
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OUT LONG *plValue,
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OUT TAPIControlFlags *plFlags
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);
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STDMETHOD (Set) (
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IN InnerStreamQualityProperty property,
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IN LONG lValue,
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IN TAPIControlFlags lFlags
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);
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protected:
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HRESULT CheckTerminalTypeAndDirection(
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IN ITTerminal * pTerminal
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);
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HRESULT SetUpFilters();
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HRESULT GetVideoCapturePins(
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IN ITTerminalControl* pTerminal,
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OUT BOOL *pfDirectRTP
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);
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HRESULT ConnectCaptureTerminal(
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IN ITTerminal * pITTerminal
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);
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HRESULT ConnectPreviewTerminal(
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IN ITTerminal * pITTerminal
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);
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HRESULT ConnectTerminal(
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IN ITTerminal * pITTerminal
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);
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HRESULT DisconnectTerminal(
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IN ITTerminal * pITTerminal
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);
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HRESULT CreateSendFilters(
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IN IPin *pCapturePin,
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IN IPin *pRTPPin,
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IN BOOL fDirectRTP
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);
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HRESULT FindPreviewInputPin(
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IN ITTerminalControl* pTerminal,
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OUT IPin ** ppIpin
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);
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HRESULT ConnectRTPFilter(
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IN IGraphBuilder *pIGraphBuilder,
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IN IPin *pCapturePin,
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IN IPin *pRTPPin,
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IN IBaseFilter *pRTPFilter
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);
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HRESULT ConfigureRTPFormats(
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IN IBaseFilter * pIRTPFilter,
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IN IStreamConfig * pIStreamConfig
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);
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void CleanupCachedInterface();
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protected:
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DWORD m_dwFrameRate;
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ITTerminal * m_pCaptureTerminal;
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ITTerminal * m_pPreviewTerminal;
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IBaseFilter * m_pCaptureFilter;
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IPin * m_pCapturePin;
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IFrameRateControl * m_pCaptureFrameRateControl;
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IBitrateControl * m_pCaptureBitrateControl;
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IPin * m_pPreviewPin;
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IFrameRateControl * m_pPreviewFrameRateControl;
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IPin * m_pRTPPin;
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};
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class ATL_NO_VTABLE CSubStreamVideoRecv :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public IDispatchImpl<ITSubStream, &__uuidof(ITSubStream), &LIBID_IPConfMSPLib>,
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public CMSPObjectSafetyImpl
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{
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public:
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BEGIN_COM_MAP(CSubStreamVideoRecv)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(ITSubStream)
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COM_INTERFACE_ENTRY(IObjectSafety)
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COM_INTERFACE_ENTRY_AGGREGATE(__uuidof(IMarshal), m_pFTM)
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END_COM_MAP()
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DECLARE_GET_CONTROLLING_UNKNOWN()
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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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CSubStreamVideoRecv();
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// methods of the CComObject
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virtual void FinalRelease();
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// ITSubStream methods, called by the app.
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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 (get_Stream) (
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OUT ITStream ** ppITStream
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);
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STDMETHOD (StartSubStream) ();
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STDMETHOD (PauseSubStream) ();
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STDMETHOD (StopSubStream) ();
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// methods called by the videorecv object.
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virtual HRESULT Init(
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IN CStreamVideoRecv * pStream
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);
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BOOL GetCurrentParticipant(
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DWORD *pdwSSRC,
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ITParticipant ** ppParticipant
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);
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VOID SetCurrentParticipant(
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DWORD dwSSRC,
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ITParticipant * pParticipant
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);
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BOOL ClearCurrentTerminal();
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BOOL SetCurrentTerminal(ITTerminal * pTerminal);
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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 list of terminal objects in the substream.
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CMSPArray <ITTerminal *> m_Terminals;
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// The lock that protects the substream 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. This is protected by having a const pointer
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// to the call object.
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CMSPCritSection m_lock;
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CStreamVideoRecv * m_pStream;
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ITParticipant * m_pCurrentParticipant;
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};
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#endif
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