442 lines
10 KiB
C++
442 lines
10 KiB
C++
/*++
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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 video 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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const DWORD LAYERID = 0;
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const int IFRAMEINTERVAL = 15; // in seconds.
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const int MINIFRAMEINTERVAL = 1; // in seconds
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typedef enum _PERIODICIFRAMEMODE
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{
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PIF_ON,
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PIF_HOLD,
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PIF_OFF
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} PERIODICIFRAMEMODE;
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// assert IFrame related variable being in valid state
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#define AssertPeriodicIFrameMode _ASSERT (\
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/* enabled and running */ \
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(PIF_ON == m_PeriodicIFrameMode && \
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NULL != m_hTimerQueue && \
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NULL != m_hIFrameTimer && \
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MINIFRAMEINTERVAL <= m_dwIFrameInterval && \
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(STRM_RUNNING & m_dwState)) || \
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/* enabled but not running */ \
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(PIF_HOLD == m_PeriodicIFrameMode && \
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NULL != m_hTimerQueue && \
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NULL == m_hIFrameTimer && \
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MINIFRAMEINTERVAL <= m_dwIFrameInterval && \
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(STRM_RUNNING & m_dwState)) || \
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/* diabled */ \
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(PIF_OFF == m_PeriodicIFrameMode && \
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NULL == m_hTimerQueue && \
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NULL == m_hIFrameTimer))
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class CStreamVideoRecv :
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public CH323MSPStream,
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public IKeyFrameControl
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{
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BEGIN_COM_MAP(CStreamVideoRecv)
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COM_INTERFACE_ENTRY(IKeyFrameControl)
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COM_INTERFACE_ENTRY_CHAIN(CH323MSPStream)
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END_COM_MAP()
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public:
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CStreamVideoRecv();
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~CStreamVideoRecv();
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STDMETHOD (SC_Start) (BOOL fRequestedByApplication);
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STDMETHOD (SC_Pause) ();
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STDMETHOD (SC_Stop) (BOOL fRequestedByApplication);
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HRESULT ShutDown();
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//
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// ITFormatControl
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//
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STDMETHOD (GetCurrentFormat) (
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OUT AM_MEDIA_TYPE **ppMediaType
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);
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//
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// IKeyFrameControl methods
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//
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STDMETHOD (UpdatePicture)();
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STDMETHOD (PeriodicUpdatePicture) (
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IN BOOL fEnable,
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IN DWORD dwInterval
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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 (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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protected:
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HRESULT SetUpInternalFilters(
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IN IPin * pVideoInputPin,
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IN BOOL fDirectRTP
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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 InitializeH245CapabilityTable();
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HRESULT ReCreateIFrameTimer(
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IN PERIODICIFRAMEMODE mode,
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IN DWORD dwInterval
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);
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static VOID CALLBACK TimerCallback(
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IN PVOID lpContext,
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IN BOOLEAN TimerOrWaitFired
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);
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static DWORD CALLBACK IFrameCallback(
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IN PVOID lpContext
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);
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protected:
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IBaseFilter * m_pDecoderFilter;
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IBitrateControl * m_pRenderBitrateControl;
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IFrameRateControl * m_pRenderFrameRateControl;
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// members for IKeyFrameControl interface.
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PERIODICIFRAMEMODE m_PeriodicIFrameMode;
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DWORD m_dwIFrameInterval;
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DWORD m_dwLastIFrameRequestedTime;
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DWORD m_dwIFramePending;
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HANDLE m_hTimerQueue;
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HANDLE m_hIFrameTimer;
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};
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class ATL_NO_VTABLE CSubStreamVideoPreview;
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class CStreamVideoSend :
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public CH323MSPStream,
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public IVidEncChannelControl,
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public IDispatchImpl<ITSubStreamControl, &IID_ITSubStreamControl, &LIBID_TAPI3Lib>
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{
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BEGIN_COM_MAP(CStreamVideoSend)
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COM_INTERFACE_ENTRY(ITSubStreamControl)
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COM_INTERFACE_ENTRY(IVidEncChannelControl)
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COM_INTERFACE_ENTRY_CHAIN(CH323MSPStream)
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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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STDMETHOD (SC_Start) (BOOL fRequestedByApplication);
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//
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// ITSubStreamControl methods
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//
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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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//
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// ITFormatControl
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//
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STDMETHOD (GetCurrentFormat) (
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OUT AM_MEDIA_TYPE **ppMediaType
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);
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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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//
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//IVidEncChannelControl methods
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//
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STDMETHOD (VideoFastUpdatePicture)(VOID);
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STDMETHOD (VideoFastUpdateGOB)(
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IN DWORD dwFirstGOB,
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IN DWORD dwNumberOfGOBs
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);
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STDMETHOD (VideoFastUpdateMB)(
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IN DWORD dwFirstGOB,
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IN DWORD dwFirstMB,
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IN DWORD dwNumberOfMBs
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);
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STDMETHOD (VideoSendSyncEveryGOB)(
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IN BOOL fEnable
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);
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STDMETHOD (VideoNotDecodedMBs)(
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IN DWORD dwFirstMB,
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IN DWORD dwNumberOfMBs,
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IN DWORD dwTemporalReference
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);
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STDMETHOD (VideoEncTemporalSpatialTradeoff)(
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IN USHORT uTSValue
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);
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public:
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HRESULT GetPreviewTerminal(
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OUT ITTerminal ** ppTerminal
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);
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HRESULT GetPreviewPin(
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OUT IPin ** ppPin
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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 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 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 ConnectPreview(
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IN IPin *pPreviewInputPin
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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 GetPreviewSubStream(
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OUT ITSubStream ** ppITSubStream
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);
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void CleanupCachedInterface();
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protected:
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ITSubStream * m_pPreviewSubStream;
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ITTerminal * m_pCaptureTerminal;
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ITTerminal * m_pPreviewTerminal;
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BOOL m_fPreviewConnected;
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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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// this filter is used to answer the H245 questions when the terminal
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// can't answer them. This is a hack to support legacy terminals. The
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// app needs to select the right format to make it work.
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IBaseFilter * m_pEncoder;
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};
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class ATL_NO_VTABLE CSubStreamVideoPreview :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public ITFormatControl,
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public IDispatchImpl<ITSubStream, &IID_ITSubStream, &LIBID_TAPI3Lib>
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{
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public:
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BEGIN_COM_MAP(CSubStreamVideoPreview)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(ITSubStream)
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COM_INTERFACE_ENTRY(ITFormatControl)
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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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CSubStreamVideoPreview();
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// methods of the CComObject
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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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//
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// ITFormatControl
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//
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STDMETHOD (GetCurrentFormat) (
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OUT AM_MEDIA_TYPE **ppMediaType
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);
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STDMETHOD (ReleaseFormat) (
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IN AM_MEDIA_TYPE *pMediaType
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);
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STDMETHOD (GetNumberOfCapabilities) (
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OUT DWORD *pdwCount
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);
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STDMETHOD (GetStreamCaps) (
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IN DWORD dwIndex,
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OUT AM_MEDIA_TYPE **ppMediaType,
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OUT TAPI_STREAM_CONFIG_CAPS *pStreamConfigCaps,
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OUT BOOL *pfEnabled
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);
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STDMETHOD (ReOrderCapabilities) (
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IN DWORD *pdwIndices,
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IN BOOL *pfEnabled,
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IN BOOL *pfPublicize,
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IN DWORD dwNumIndices
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);
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// methods called by the stream object.
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virtual HRESULT Init(
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IN CStreamVideoSend * pStream
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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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CStreamVideoSend * m_pStream;
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};
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#endif
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