171 lines
4.5 KiB
C++
171 lines
4.5 KiB
C++
//---------------------------------------------------------------------------
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//
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// Module: gni.h
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//
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// Description: Graph 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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#define cTopologyNodes Topology.TopologyNodesCount
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#define cTopologyConnections Topology.TopologyConnectionsCount
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//---------------------------------------------------------------------------
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// Classes
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//---------------------------------------------------------------------------
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typedef class CGraphNodeInstance : public CListDoubleItem
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{
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public:
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CGraphNodeInstance(
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PGRAPH_NODE pGraphNode,
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PFILTER_INSTANCE pFilterInstance
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);
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CGraphNodeInstance(
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PGRAPH_NODE pGraphNode
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);
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~CGraphNodeInstance();
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NTSTATUS Create();
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ENUMFUNC Destroy()
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{
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Assert(this);
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delete this;
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return(STATUS_CONTINUE);
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};
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NTSTATUS GetTopologyNodeFileObject(
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OUT PFILE_OBJECT *ppFileObject,
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IN ULONG NodeId
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);
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BOOL IsGraphValid(
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PSTART_NODE pStartNode,
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ULONG PinId
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);
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VOID AddTopologyConnection(
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ULONG ulFromNode,
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ULONG ulFromPin,
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ULONG ulToNode,
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ULONG ulToPin
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);
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NTSTATUS GetPinInstances(
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PIRP pIrp,
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PKSP_PIN pPin,
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PKSPIN_CINSTANCES pcInstances
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);
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BOOL IsPinInstances(
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ULONG ulPinId
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);
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private:
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NTSTATUS CreatePinDescriptors();
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VOID DestroyPinDescriptors();
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NTSTATUS CreateSysAudioTopology();
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VOID DestroySysAudioTopology();
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VOID CreateTopologyTables();
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VOID ProcessLogicalFilterNodeTopologyNode(
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PLIST_MULTI_LOGICAL_FILTER_NODE plstLogicalFilterNode,
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NTSTATUS (CTopologyNode::*Function)(
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PVOID pGraphNodeInstance
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)
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);
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VOID ProcessLogicalFilterNodeTopologyConnection(
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PLIST_MULTI_LOGICAL_FILTER_NODE plstLogicalFilterNode,
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NTSTATUS (CTopologyConnection::*Function)(
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PVOID pGraphNodeInstance
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)
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);
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public:
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#ifdef DEBUG
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ENUMFUNC Dump();
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VOID DumpPinDescriptors();
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#endif
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LIST_DATA_TOPOLOGY_NODE lstTopologyNodeGlobalSelect;
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LIST_START_NODE_INSTANCE lstStartNodeInstance;
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PFILTER_INSTANCE pFilterInstance;
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PGRAPH_NODE pGraphNode;
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KSTOPOLOGY Topology;
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ULONG cPins;
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// Index by pin number
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PKSPIN_CINSTANCES pacPinInstances;
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PULONG pulPinFlags;
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PKSPIN_DESCRIPTOR paPinDescriptors;
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PLIST_DATA_START_NODE *aplstStartNode;
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PLIST_DATA_TOPOLOGY_NODE palstTopologyNodeSelect;
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PLIST_DATA_TOPOLOGY_NODE palstTopologyNodeNotSelect;
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// Index by node number
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PTOPOLOGY_NODE *papTopologyNode;
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PFILTER_NODE_INSTANCE *papFilterNodeInstanceTopologyTable;
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// Index by virtual source index
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ULONG *paulNodeNumber;
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private:
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ULONG ulFlags;
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public:
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DefineSignature(0x20494E47); // GNI
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} GRAPH_NODE_INSTANCE, *PGRAPH_NODE_INSTANCE;
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//---------------------------------------------------------------------------
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typedef ListDoubleDestroy<GRAPH_NODE_INSTANCE> LIST_GRAPH_NODE_INSTANCE;
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//---------------------------------------------------------------------------
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// Local prototypes
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//---------------------------------------------------------------------------
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extern "C" {
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NTSTATUS
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CreateIdentifierArray(
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PLIST_DATA_START_NODE pldhStartNode,
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PULONG pulCount,
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PKSIDENTIFIER *ppIdentifier,
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PKSIDENTIFIER (*GetFunction)(
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PSTART_NODE pStartNode
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)
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);
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PKSDATARANGE
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GetStartNodeDataRange(
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PSTART_NODE pStartNode
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);
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PKSIDENTIFIER
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GetStartNodeInterface(
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PSTART_NODE pStartNode
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);
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PKSIDENTIFIER
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GetStartNodeMedium(
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PSTART_NODE pStartNode
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);
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ENUMFUNC
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FindTopologyNode(
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IN PTOPOLOGY_CONNECTION pTopologyConnection,
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IN BOOL fToDirection,
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IN PTOPOLOGY_NODE pTopologyNode
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);
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} // extern "C"
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