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130 lines
3.2 KiB
130 lines
3.2 KiB
//---------------------------------------------------------------------------
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//
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// Module: gn.h
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//
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// Description: graph node classes
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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 GN_FLAGS_PLAYBACK 0x00000001
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#define GN_FLAGS_RECORD 0x00000002
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#define GN_FLAGS_MIDI 0x00000004
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#ifdef REGISTRY_PREFERRED_DEVICE
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#define GN_FLAGS_PREFERRED_MASK (GN_FLAGS_PLAYBACK | \
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GN_FLAGS_RECORD | \
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GN_FLAGS_MIDI)
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#endif
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//---------------------------------------------------------------------------
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// Classes
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//---------------------------------------------------------------------------
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typedef class CGraphNode : public CListDoubleItem
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{
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public:
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CGraphNode(
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PDEVICE_NODE pDeviceNode,
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ULONG ulFlags
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);
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~CGraphNode(
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);
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NTSTATUS
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Create(
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);
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ENUMFUNC
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Destroy(
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)
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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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#ifdef DEBUG
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ENUMFUNC
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Dump(
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);
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#endif
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private:
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NTSTATUS
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Create(
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PLOGICAL_FILTER_NODE pLogicalFilterNode
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);
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NTSTATUS
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CreateGraph(
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PPIN_NODE pPinNode,
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PCONNECT_NODE pConnectNodePrevious,
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PLOGICAL_FILTER_NODE pLogicalFilterNodePrevious,
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PGRAPH_PIN_INFO pGraphPinInfoPrevious,
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ULONG ulFlagsCurrent,
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ULONG ulOverhead
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);
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NTSTATUS
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CreateGraphToPin(
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PPIN_NODE pPinNode,
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PCONNECT_NODE pConnectNodePrevious,
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PLOGICAL_FILTER_NODE pLogicalFilterNode,
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PGRAPH_PIN_INFO pGraphPinInfo,
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ULONG ulFlagsCurrent,
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ULONG ulOverhead
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);
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NTSTATUS
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CreateGraphFromPin(
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PPIN_NODE pPinNode,
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PPIN_NODE pPinNodeTo,
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PCONNECT_NODE pConnectNode,
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PLOGICAL_FILTER_NODE pLogicalFilterNode,
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PGRAPH_PIN_INFO pGraphPinInfo,
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ULONG ulFlagsCurrent,
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ULONG ulOverhead
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);
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public:
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PDEVICE_NODE pDeviceNode;
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LIST_PIN_NODE lstPinNode;
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LIST_START_NODE lstStartNode;
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LIST_START_INFO lstStartInfo;
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LIST_CONNECT_INFO lstConnectInfo;
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LIST_GRAPH_PIN_INFO lstGraphPinInfo;
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LIST_GRAPH_NODE_INSTANCE lstGraphNodeInstance;
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LIST_DESTROY_TOPOLOGY_CONNECTION lstTopologyConnection;
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LIST_MULTI_LOGICAL_FILTER_NODE lstLogicalFilterNode;
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LIST_MULTI_LOGICAL_FILTER_NODE lstLogicalFilterNodeNoBypass;
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ULONG ulFlags;
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DefineSignature(0x20204E47); // GN
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} GRAPH_NODE, *PGRAPH_NODE;
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//---------------------------------------------------------------------------
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typedef ListDoubleDestroy<GRAPH_NODE> LIST_GRAPH_NODE;
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//---------------------------------------------------------------------------
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