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156 lines
3.8 KiB
156 lines
3.8 KiB
//---------------------------------------------------------------------------
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//
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// Module: cni.h
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//
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// Description: Connect Node Instance Class
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//
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//
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//@@BEGIN_MSINTERNAL
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// Development Team:
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// Mike McLaughlin
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//
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// History: Date Author Comment
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//
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//@@END_MSINTERNAL
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//---------------------------------------------------------------------------
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (c) 1996-1999 Microsoft Corporation. All Rights Reserved.
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//
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// Constants and Macros
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// Classes
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//---------------------------------------------------------------------------
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typedef class CConnectNodeInstance : public CListMultiItem
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{
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friend class CStartNodeInstance;
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private:
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CConnectNodeInstance(
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IN PCONNECT_NODE pConnectNode
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);
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~CConnectNodeInstance(
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);
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public:
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static NTSTATUS
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Create(
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PSTART_NODE_INSTANCE pStartNodeInstance,
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PDEVICE_NODE pDeviceNode
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);
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VOID
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AddRef(
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)
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{
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Assert(this);
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++cReference;
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};
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NTSTATUS
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AddListEnd(
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PCLIST_MULTI plm
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);
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ENUMFUNC
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Destroy(
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);
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BOOL
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IsTopDown(
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)
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{
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Assert(this);
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return(pConnectNode->IsTopDown());
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};
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NTSTATUS
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Connect(
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IN PWAVEFORMATEX pWaveFormatEx,
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IN PKSPIN_CONNECT pPinConnectDirect
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);
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NTSTATUS
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SetStateTopDown(
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KSSTATE NewState,
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KSSTATE PreviousState,
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ULONG ulFlags
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);
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NTSTATUS
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SetStateBottomUp(
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KSSTATE NewState,
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KSSTATE PreviousState,
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ULONG ulFlags
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);
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private:
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BOOL fRender;
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LONG cReference;
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PCONNECT_NODE pConnectNode;
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PFILTER_NODE_INSTANCE pFilterNodeInstanceSource;
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PFILTER_NODE_INSTANCE pFilterNodeInstanceSink;
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PPIN_NODE_INSTANCE pPinNodeInstanceSource;
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PPIN_NODE_INSTANCE pPinNodeInstanceSink;
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public:
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DefineSignature(0x20494E43); // CNI
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} CONNECT_NODE_INSTANCE, *PCONNECT_NODE_INSTANCE;
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//---------------------------------------------------------------------------
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typedef ListMultiDestroy<CONNECT_NODE_INSTANCE> LIST_CONNECT_NODE_INSTANCE;
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typedef LIST_CONNECT_NODE_INSTANCE *PLIST_CONNECT_NODE_INSTANCE;
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//---------------------------------------------------------------------------
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// Local prototypes
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//---------------------------------------------------------------------------
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NTSTATUS
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CreatePinConnect(
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PKSPIN_CONNECT *ppPinConnect,
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PCONNECT_NODE pConnectNode,
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PFILTER_NODE_INSTANCE pFilterNodeInstanceSink,
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PFILTER_NODE_INSTANCE pFilterNodeInstanceSource,
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PWAVEFORMATEX pWaveFormatExLimit
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);
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NTSTATUS
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CreatePinIntersection(
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PKSPIN_CONNECT *ppPinConnect,
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PPIN_NODE pPinNode1,
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PPIN_NODE pPinNode2,
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PFILTER_NODE_INSTANCE pFilterNodeInstance1,
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PFILTER_NODE_INSTANCE pFilterNodeInstance2
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);
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NTSTATUS
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CreateWaveFormatEx(
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PKSPIN_CONNECT *ppPinConnect,
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PCONNECT_NODE pConnectNode,
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PWAVEFORMATEX pWaveFormatExLimit
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);
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VOID
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WaveFormatFromAudioRange(
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PKSDATARANGE_AUDIO pDataRangeAudio,
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WAVEFORMATEX *pWavFormatEx
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);
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BOOL
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LimitAudioRangeToWave(
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PWAVEFORMATEX pWaveFormatEx,
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PKSDATARANGE_AUDIO pDataRangeAudio
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);
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//---------------------------------------------------------------------------
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