386 lines
10 KiB
C
386 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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h323Strm.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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// We support at most one codec filters per stream for now.
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const DWORD MAX_CODECS = 1;
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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 ISubstreamControl,
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public ITFormatControl,
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public ITStreamQualityControl,
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public IH245SubstreamControl,
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public IInnerStreamQualityControl,
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public CMSPObjectSafetyImpl,
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public CMSPStream
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{
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BEGIN_COM_MAP(CH323MSPStream)
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COM_INTERFACE_ENTRY(ISubstreamControl)
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COM_INTERFACE_ENTRY(ITFormatControl)
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COM_INTERFACE_ENTRY(ITStreamQualityControl)
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COM_INTERFACE_ENTRY(IH245SubstreamControl)
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COM_INTERFACE_ENTRY(IInnerStreamQualityControl)
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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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public:
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//
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// ITFormatControl methods
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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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//
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// ITStreamQualityControl methods
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//
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STDMETHOD (GetRange) (
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IN StreamQualityProperty 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 StreamQualityProperty 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 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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// ISubstreamControl methods.
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//
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STDMETHOD (SC_SetFormat) (
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IN AM_MEDIA_TYPE *pMediaType,
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IN DWORD dwFormatID,
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IN DWORD dwPayloadType
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);
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STDMETHOD (SC_Start) (BOOL fRequestedByApplication);
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STDMETHOD (SC_Stop) (BOOL fRequestedByApplication);
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STDMETHOD (SC_Pause) (VOID);
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STDMETHOD (SC_SetBitrate) (
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IN DWORD dwBitsPerSecond
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);
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STDMETHOD (SC_RemoteTemporalSpatialTradeoff) (
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IN USHORT uTSRemoteValue
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);
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STDMETHOD (SC_CreateSubstream) (
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OUT ISubstreamControl *pSubStream
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);
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STDMETHOD (SC_SetRemoteAddress) (
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IN OUT HANDLE * phRTPSession, // handle to the shared RTP session.
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IN PSOCKADDR_IN pRemoteMediaAddr,
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IN PSOCKADDR_IN pRemoteControlAddr
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);
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STDMETHOD (SC_SetSource) (
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// indicates the low 8 bits of the local SSRC (if this is a send substream)
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// or the low 8 bits of the senders SSRC (if this is a receive substream)
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IN BYTE bSource
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);
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STDMETHOD (SC_SelectLocalAddress) (
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IN OUT HANDLE * phRTPSession, // handle to the shared RTP session.
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IN PSOCKADDR_IN pLocalAddress, // local IP address (same as H.245)
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OUT PSOCKADDR_IN pLocalMediaAddress, // NULL if opening TX channel, else we want to know the local RTP receive address
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OUT PSOCKADDR_IN pLocalControlAddress // We want to know the local RTCP address
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);
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STDMETHOD (SC_SetLocalReceiveAddress) ( // only called when the receive address is non-negotiable (e.g. multicast case)
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IN OUT HANDLE * phRTPSession, // handle to the shared RTP session.
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IN PSOCKADDR_IN pLocalMediaAddr, // local IP address (same as H.245)
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IN PSOCKADDR_IN pLocalControlAddress,
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IN PSOCKADDR_IN pRemoteControlAddress
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);
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STDMETHOD (SC_SendDTMF) (
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IN LPWSTR pwstrDialChars
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);
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STDMETHOD (SC_SetDESKey52) (
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IN BYTE *pKey
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);
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STDMETHOD (SC_SelectTerminal) (
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IN ITTerminal *pTerminal
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);
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STDMETHOD (SC_UnselectTerminal) (
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IN ITTerminal *pTerminal
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);
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//
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// IH245SubstreamControl
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//
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STDMETHOD (H245SC_BeginControlSession) (
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IN IH245ChannelControl *pIChannelControl
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);
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STDMETHOD (H245SC_EndControlSession) (VOID);
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STDMETHOD (H245SC_GetNumberOfCapabilities) (
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OUT DWORD *pdwTemplateCount,
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OUT DWORD *pdwFormatCount
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);
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STDMETHOD (H245SC_GetStreamCaps) (
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IN DWORD dwIndex,
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OUT const H245MediaCapability** pph245Capability,
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OUT AM_MEDIA_TYPE **ppMediaType,
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OUT TAPI_STREAM_CONFIG_CAPS *pStreamConfigCaps,
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OUT DWORD *pdwUniqueID,
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OUT UINT *puResourceBoundArrayEntries,
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OUT const FormatResourceBounds **ppResourceBoundArray
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);
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STDMETHOD (H245SC_RefineStreamCap) (
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IN DWORD dwUniqueID,
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IN DWORD dwResourceBoundIndex,
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IN OUT H245MediaCapability* ph245Capability
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);
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STDMETHOD (H245SC_SetIDBase) (
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IN UINT uNewBase
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);
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STDMETHOD (H245SC_FindIDByRange) (
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IN AM_MEDIA_TYPE *pAMMediaType,
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OUT DWORD *pdwUniqueID
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);
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STDMETHOD (H245SC_FindIDByMode) (
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IN H245_MODE_ELEMENT *pModeElement,
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OUT DWORD *pdwUniqueID
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);
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STDMETHOD (H245SC_IntersectFormats) (
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IN const H245MediaCapability *pLocalCapability,
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IN DWORD dwUniqueID,
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IN const H245MediaCapability *pRemoteCapability,
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OUT const H245MediaCapability **pIntersectedCapability,
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OUT DWORD *pdwPayloadType
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);
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STDMETHOD (H245SC_GetLocalFormat) (
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IN DWORD dwUniqueID,
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IN const H245MediaCapability *pIntersectedCapability,
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OUT AM_MEDIA_TYPE **ppAMMediaType
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);
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STDMETHOD (H245SC_ReleaseNegotiatedCapability) (
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IN DWORD dwUniqueID,
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IN const H245MediaCapability *pIntersectedCapability
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);
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//
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// IInnerStreamQualityControl
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//
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STDMETHOD (LinkInnerCallQC) (
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IN IInnerCallQualityControl *pIInnerCallQC
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);
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STDMETHOD (UnlinkInnerCallQC) (
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IN BOOL fByStream
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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 (Set) (
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IN InnerStreamQualityProperty property,
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IN LONG lValue1,
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IN TAPIControlFlags lFlags
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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 (TryLockStream)() { return m_lock.TryLock()?S_OK:S_FALSE; }
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STDMETHOD (UnlockStream)() { m_lock.Unlock(); return S_OK; }
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STDMETHOD (IsAccessingQC)() { return m_fAccessingQC?S_OK:S_FALSE; }
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public:
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CH323MSPStream();
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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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// 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 CleanUpFilters();
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HRESULT ProcessGraphEvent(
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IN long lEventCode,
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IN LONG_PTR lParam1,
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IN LONG_PTR lParam2
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);
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HRESULT EnableQOS(
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IN AM_MEDIA_TYPE *pMediaType
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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 InitializeH245CapabilityTable();
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virtual HRESULT CleanupH245CapabilityTable();
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virtual HRESULT AddCodecToTable(IPin *pIPin);
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protected:
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const WCHAR * m_szName;
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// the filter before the terminal.
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IBaseFilter * m_pEdgeFilter;
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// the RTP filter.
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IBaseFilter * m_pRTPFilter;
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// used to remember the shared RTP session.
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HANDLE m_hRTPSession;
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// additional state for the stream
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BOOL m_fTimeout;
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// Callback interface to the H.245 module.
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IH245ChannelControl * m_pChannelControl;
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// Callback interface to the quality controller.
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CStreamQualityControlRelay * m_pStreamQCRelay;
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// capability related members.
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DWORD m_dwCapabilityIDBase;
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DWORD m_dwNumCodecs;
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DWORD m_dwNumH245Caps;
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DWORD m_dwTotalVariations;
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IStreamConfig * m_StreamConfigInterfaces[MAX_CODECS];
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IH245Capability * m_H245Interfaces[MAX_CODECS];
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H245MediaCapabilityTable m_H245CapabilityTables[MAX_CODECS];
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// flag will be set when stream is accessing quality control methods
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// that will in turn lock the stream list lock inside quality control.
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BOOL m_fAccessingQC;
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};
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#endif
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