Leaked source code of windows server 2003
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
h323Strm.h
Abstract:
Definitions for CH323MSPStream class.
Author:
Mu Han (muhan) 1-November-1997
--*/
#ifndef __CONFSTRM_H
#define __CONFSTRM_H
/////////////////////////////////////////////////////////////////////////////
// CH323MSPStream
/////////////////////////////////////////////////////////////////////////////
// We support at most one codec filters per stream for now.
const DWORD MAX_CODECS = 1;
#ifdef DEBUG_REFCOUNT
extern LONG g_lStreamObjects;
#endif
class CH323MSPStream :
public ISubstreamControl,
public ITFormatControl,
public ITStreamQualityControl,
public IH245SubstreamControl,
public IInnerStreamQualityControl,
public CMSPObjectSafetyImpl,
public CMSPStream
{
BEGIN_COM_MAP(CH323MSPStream)
COM_INTERFACE_ENTRY(ISubstreamControl)
COM_INTERFACE_ENTRY(ITFormatControl)
COM_INTERFACE_ENTRY(ITStreamQualityControl)
COM_INTERFACE_ENTRY(IH245SubstreamControl)
COM_INTERFACE_ENTRY(IInnerStreamQualityControl)
COM_INTERFACE_ENTRY(IObjectSafety)
COM_INTERFACE_ENTRY_CHAIN(CMSPStream)
END_COM_MAP()
public:
//
// ITFormatControl methods
//
STDMETHOD (GetCurrentFormat) (
OUT AM_MEDIA_TYPE **ppMediaType
);
STDMETHOD (ReleaseFormat) (
IN AM_MEDIA_TYPE *pMediaType
);
STDMETHOD (GetNumberOfCapabilities) (
OUT DWORD *pdwCount
);
STDMETHOD (GetStreamCaps) (
IN DWORD dwIndex,
OUT AM_MEDIA_TYPE **ppMediaType,
OUT TAPI_STREAM_CONFIG_CAPS *pStreamConfigCaps,
OUT BOOL *pfEnabled
);
STDMETHOD (ReOrderCapabilities) (
IN DWORD *pdwIndices,
IN BOOL *pfEnabled,
IN BOOL *pfPublicize,
IN DWORD dwNumIndices
);
//
// ITStreamQualityControl methods
//
STDMETHOD (GetRange) (
IN StreamQualityProperty Property,
OUT long *plMin,
OUT long *plMax,
OUT long *plSteppingDelta,
OUT long *plDefault,
OUT TAPIControlFlags *plFlags
);
STDMETHOD (Get) (
IN StreamQualityProperty Property,
OUT long *plValue,
OUT TAPIControlFlags *plFlags
);
STDMETHOD (Set) (
IN StreamQualityProperty Property,
IN long lValue,
IN TAPIControlFlags lFlags
);
//
// ISubstreamControl methods.
//
STDMETHOD (SC_SetFormat) (
IN AM_MEDIA_TYPE *pMediaType,
IN DWORD dwFormatID,
IN DWORD dwPayloadType
);
STDMETHOD (SC_Start) (BOOL fRequestedByApplication);
STDMETHOD (SC_Stop) (BOOL fRequestedByApplication);
STDMETHOD (SC_Pause) (VOID);
STDMETHOD (SC_SetBitrate) (
IN DWORD dwBitsPerSecond
);
STDMETHOD (SC_RemoteTemporalSpatialTradeoff) (
IN USHORT uTSRemoteValue
);
STDMETHOD (SC_CreateSubstream) (
OUT ISubstreamControl *pSubStream
);
STDMETHOD (SC_SetRemoteAddress) (
IN OUT HANDLE * phRTPSession, // handle to the shared RTP session.
IN PSOCKADDR_IN pRemoteMediaAddr,
IN PSOCKADDR_IN pRemoteControlAddr
);
STDMETHOD (SC_SetSource) (
// indicates the low 8 bits of the local SSRC (if this is a send substream)
// or the low 8 bits of the senders SSRC (if this is a receive substream)
IN BYTE bSource
);
STDMETHOD (SC_SelectLocalAddress) (
IN OUT HANDLE * phRTPSession, // handle to the shared RTP session.
IN PSOCKADDR_IN pLocalAddress, // local IP address (same as H.245)
OUT PSOCKADDR_IN pLocalMediaAddress, // NULL if opening TX channel, else we want to know the local RTP receive address
OUT PSOCKADDR_IN pLocalControlAddress // We want to know the local RTCP address
);
STDMETHOD (SC_SetLocalReceiveAddress) ( // only called when the receive address is non-negotiable (e.g. multicast case)
IN OUT HANDLE * phRTPSession, // handle to the shared RTP session.
IN PSOCKADDR_IN pLocalMediaAddr, // local IP address (same as H.245)
IN PSOCKADDR_IN pLocalControlAddress,
IN PSOCKADDR_IN pRemoteControlAddress
);
STDMETHOD (SC_SendDTMF) (
IN LPWSTR pwstrDialChars
);
STDMETHOD (SC_SetDESKey52) (
IN BYTE *pKey
);
STDMETHOD (SC_SelectTerminal) (
IN ITTerminal *pTerminal
);
STDMETHOD (SC_UnselectTerminal) (
IN ITTerminal *pTerminal
);
//
// IH245SubstreamControl
//
STDMETHOD (H245SC_BeginControlSession) (
IN IH245ChannelControl *pIChannelControl
);
STDMETHOD (H245SC_EndControlSession) (VOID);
STDMETHOD (H245SC_GetNumberOfCapabilities) (
OUT DWORD *pdwTemplateCount,
OUT DWORD *pdwFormatCount
);
STDMETHOD (H245SC_GetStreamCaps) (
IN DWORD dwIndex,
OUT const H245MediaCapability** pph245Capability,
OUT AM_MEDIA_TYPE **ppMediaType,
OUT TAPI_STREAM_CONFIG_CAPS *pStreamConfigCaps,
OUT DWORD *pdwUniqueID,
OUT UINT *puResourceBoundArrayEntries,
OUT const FormatResourceBounds **ppResourceBoundArray
);
STDMETHOD (H245SC_RefineStreamCap) (
IN DWORD dwUniqueID,
IN DWORD dwResourceBoundIndex,
IN OUT H245MediaCapability* ph245Capability
);
STDMETHOD (H245SC_SetIDBase) (
IN UINT uNewBase
);
STDMETHOD (H245SC_FindIDByRange) (
IN AM_MEDIA_TYPE *pAMMediaType,
OUT DWORD *pdwUniqueID
);
STDMETHOD (H245SC_FindIDByMode) (
IN H245_MODE_ELEMENT *pModeElement,
OUT DWORD *pdwUniqueID
);
STDMETHOD (H245SC_IntersectFormats) (
IN const H245MediaCapability *pLocalCapability,
IN DWORD dwUniqueID,
IN const H245MediaCapability *pRemoteCapability,
OUT const H245MediaCapability **pIntersectedCapability,
OUT DWORD *pdwPayloadType
);
STDMETHOD (H245SC_GetLocalFormat) (
IN DWORD dwUniqueID,
IN const H245MediaCapability *pIntersectedCapability,
OUT AM_MEDIA_TYPE **ppAMMediaType
);
STDMETHOD (H245SC_ReleaseNegotiatedCapability) (
IN DWORD dwUniqueID,
IN const H245MediaCapability *pIntersectedCapability
);
//
// IInnerStreamQualityControl
//
STDMETHOD (LinkInnerCallQC) (
IN IInnerCallQualityControl *pIInnerCallQC
);
STDMETHOD (UnlinkInnerCallQC) (
IN BOOL fByStream
);
STDMETHOD (GetRange) (
IN InnerStreamQualityProperty property,
OUT LONG *plMin,
OUT LONG *plMax,
OUT LONG *plSteppingDelta,
OUT LONG *plDefault,
OUT TAPIControlFlags *plFlags
);
STDMETHOD (Set) (
IN InnerStreamQualityProperty property,
IN LONG lValue1,
IN TAPIControlFlags lFlags
);
STDMETHOD (Get) (
IN InnerStreamQualityProperty property,
OUT LONG *plValue,
OUT TAPIControlFlags *plFlags
);
STDMETHOD (TryLockStream)() { return m_lock.TryLock()?S_OK:S_FALSE; }
STDMETHOD (UnlockStream)() { m_lock.Unlock(); return S_OK; }
STDMETHOD (IsAccessingQC)() { return m_fAccessingQC?S_OK:S_FALSE; }
public:
CH323MSPStream();
#ifdef DEBUG_REFCOUNT
ULONG InternalAddRef();
ULONG InternalRelease();
#endif
// CMSPStream methods.
HRESULT ShutDown ();
// ITStream
STDMETHOD (get_Name) (
OUT BSTR * ppName
);
STDMETHOD (StartStream) ();
STDMETHOD (PauseStream) ();
STDMETHOD (StopStream) ();
STDMETHOD (SelectTerminal)(
IN ITTerminal * pTerminal
);
STDMETHOD (UnselectTerminal)(
IN ITTerminal * pTerminal
);
protected:
virtual HRESULT CheckTerminalTypeAndDirection(
IN ITTerminal * pTerminal
);
virtual HRESULT SendStreamEvent(
IN MSP_CALL_EVENT Event,
IN MSP_CALL_EVENT_CAUSE Cause,
IN HRESULT hrError,
IN ITTerminal * pTerminal
);
virtual HRESULT ConnectTerminal(
IN ITTerminal * pITTerminal
) = 0;
virtual HRESULT DisconnectTerminal(
IN ITTerminal * pITTerminal
);
virtual HRESULT CleanUpFilters();
HRESULT ProcessGraphEvent(
IN long lEventCode,
IN LONG_PTR lParam1,
IN LONG_PTR lParam2
);
HRESULT EnableQOS(
IN AM_MEDIA_TYPE *pMediaType
);
virtual HRESULT ProcessQOSEvent(
IN long lEventCode
);
virtual HRESULT InitializeH245CapabilityTable();
virtual HRESULT CleanupH245CapabilityTable();
virtual HRESULT AddCodecToTable(IPin *pIPin);
protected:
const WCHAR * m_szName;
// the filter before the terminal.
IBaseFilter * m_pEdgeFilter;
// the RTP filter.
IBaseFilter * m_pRTPFilter;
// used to remember the shared RTP session.
HANDLE m_hRTPSession;
// additional state for the stream
BOOL m_fTimeout;
// Callback interface to the H.245 module.
IH245ChannelControl * m_pChannelControl;
// Callback interface to the quality controller.
CStreamQualityControlRelay * m_pStreamQCRelay;
// capability related members.
DWORD m_dwCapabilityIDBase;
DWORD m_dwNumCodecs;
DWORD m_dwNumH245Caps;
DWORD m_dwTotalVariations;
IStreamConfig * m_StreamConfigInterfaces[MAX_CODECS];
IH245Capability * m_H245Interfaces[MAX_CODECS];
H245MediaCapabilityTable m_H245CapabilityTables[MAX_CODECS];
// flag will be set when stream is accessing quality control methods
// that will in turn lock the stream list lock inside quality control.
BOOL m_fAccessingQC;
};
#endif