656 lines
15 KiB
C++
656 lines
15 KiB
C++
//---------------------------------------------------------------------------
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//
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// Module: lfn.cpp
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//
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// Description:
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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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// To Do: Date Author Comment
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//
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//@@END_MSINTERNAL
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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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#include "common.h"
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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ULONG gcMixers = 0;
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ULONG gcSplitters = 0;
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ULONG gcLogicalFilterNodes = 0;
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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NTSTATUS
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CLogicalFilterNode::Create(
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OUT PLOGICAL_FILTER_NODE *ppLogicalFilterNode,
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IN PFILTER_NODE pFilterNode
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)
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{
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PLOGICAL_FILTER_NODE pLogicalFilterNode;
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NTSTATUS Status;
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pLogicalFilterNode = new LOGICAL_FILTER_NODE(pFilterNode);
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if(pLogicalFilterNode == NULL) {
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Status = STATUS_INSUFFICIENT_RESOURCES;
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Trap();
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goto exit;
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}
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Status = pLogicalFilterNode->AddList(&pFilterNode->lstLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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if(pLogicalFilterNode->GetType() & FILTER_TYPE_LOGICAL_FILTER) {
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Status = pLogicalFilterNode->AddListOrdered(
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gplstLogicalFilterNode,
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FIELD_OFFSET(LOGICAL_FILTER_NODE, ulOrder));
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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}
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exit:
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*ppLogicalFilterNode = pLogicalFilterNode;
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return(Status);
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}
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CLogicalFilterNode::CLogicalFilterNode(
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PFILTER_NODE pFilterNode
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)
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{
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Assert(pFilterNode);
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this->pFilterNode = pFilterNode;
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// The type/order is the same as filter node
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SetType(pFilterNode->GetType());
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// Determine the overhead here, default to software (higher)
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ulOverhead = OVERHEAD_SOFTWARE;
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if(GetType() & FILTER_TYPE_ENDPOINT) {
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ulOverhead = OVERHEAD_HARDWARE;
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}
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// Count the mixers, splitters and lfns
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if(GetType() & FILTER_TYPE_MIXER) {
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++gcMixers;
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}
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if(GetType() & FILTER_TYPE_SPLITTER) {
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++gcSplitters;
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}
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++gcLogicalFilterNodes;
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DPF3(60, "CLogicalFilterNode: %08x FN: %08x %s",
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this,
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pFilterNode,
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pFilterNode->DumpName());
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}
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CLogicalFilterNode::~CLogicalFilterNode(
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)
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{
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PLOGICAL_FILTER_NODE pLogicalFilterNode;
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PDEVICE_NODE pDeviceNode;
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PGRAPH_NODE pGraphNode;
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PPIN_NODE pPinNode;
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BOOL fDestroy;
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Assert(this);
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DPF2(60, "~CLogicalFilterNode: %08x %s", this, pFilterNode->DumpName());
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//
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// Need to NULL the pPinNode's LFN field because it is used in AddPinNodes
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// to indicate that this PN hasn't been assigned a LFN yet.
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//
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FOR_EACH_LIST_ITEM(&lstPinNode, pPinNode) {
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Assert(pPinNode);
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if(pPinNode->pLogicalFilterNode == this) {
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pPinNode->pLogicalFilterNode = NULL;
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}
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} END_EACH_LIST_ITEM
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FOR_EACH_LIST_ITEM(gplstDeviceNode, pDeviceNode) {
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fDestroy = FALSE;
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FOR_EACH_LIST_ITEM(
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&pDeviceNode->lstLogicalFilterNode,
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pLogicalFilterNode) {
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if(pLogicalFilterNode == this) {
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DPF2(50, "~CLogicalFilterNode: %08x GN %08x Destroy",
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pLogicalFilterNode,
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pGraphNode);
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fDestroy = TRUE;
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break;
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}
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} END_EACH_LIST_ITEM
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if(!fDestroy) {
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FOR_EACH_LIST_ITEM(&pDeviceNode->lstGraphNode, pGraphNode) {
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FOR_EACH_LIST_ITEM(
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&pGraphNode->lstLogicalFilterNode,
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pLogicalFilterNode) {
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if(pLogicalFilterNode == this) {
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DPF2(50, "~CLogicalFilterNode: %08x GN %08x Destroy",
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pLogicalFilterNode,
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pGraphNode);
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fDestroy = TRUE;
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break;
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}
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} END_EACH_LIST_ITEM
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} END_EACH_LIST_ITEM
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}
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if(fDestroy) {
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pDeviceNode->lstGraphNode.DestroyList();
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}
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} END_EACH_LIST_ITEM
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if(GetType() & FILTER_TYPE_MIXER) {
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--gcMixers;
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}
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if(GetType() & FILTER_TYPE_SPLITTER) {
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--gcSplitters;
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}
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--gcLogicalFilterNodes;
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}
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VOID
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CLogicalFilterNode::SetType(
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ULONG fulType
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)
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{
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pFilterNode->SetType(fulType);
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SetOrder(pFilterNode->GetOrder());
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ulFlags = 0;
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if(GetType() & FILTER_TYPE_RENDER) {
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ulFlags |= LFN_FLAGS_CONNECT_RENDER;
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}
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if(GetType() & FILTER_TYPE_CAPTURE) {
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ulFlags |= LFN_FLAGS_CONNECT_CAPTURE;
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}
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if(GetType() & FILTER_TYPE_NORMAL_TOPOLOGY) {
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ulFlags |= LFN_FLAGS_CONNECT_NORMAL_TOPOLOGY;
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}
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if(GetType() & FILTER_TYPE_MIXER_TOPOLOGY) {
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ulFlags |= LFN_FLAGS_CONNECT_MIXER_TOPOLOGY;
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}
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if(GetType() & FILTER_TYPE_NO_BYPASS) {
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ulFlags |= LFN_FLAGS_NO_BYPASS;
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}
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if(GetType() & FILTER_TYPE_NOT_SELECT) {
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ulFlags |= LFN_FLAGS_NOT_SELECT;
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}
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if(pFilterNode->GetFlags() & FN_FLAGS_RENDER) {
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ulFlags |= LFN_FLAGS_CONNECT_RENDER;
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}
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if(pFilterNode->GetFlags() & FN_FLAGS_NO_RENDER) {
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ulFlags &= ~LFN_FLAGS_CONNECT_RENDER;
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}
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if(pFilterNode->GetFlags() & FN_FLAGS_CAPTURE) {
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ulFlags |= LFN_FLAGS_CONNECT_CAPTURE;
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}
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if(pFilterNode->GetFlags() & FN_FLAGS_NO_CAPTURE) {
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ulFlags &= ~LFN_FLAGS_CONNECT_CAPTURE;
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}
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}
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NTSTATUS
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SwitchLogicalFilterNodes(
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IN PLOGICAL_FILTER_NODE pLogicalFilterNode,
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IN OUT PLOGICAL_FILTER_NODE *ppLogicalFilterNode
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)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PTOPOLOGY_NODE pTopologyNode;
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PPIN_NODE pPinNode;
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Assert(pLogicalFilterNode);
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Assert(*ppLogicalFilterNode);
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if(pLogicalFilterNode != *ppLogicalFilterNode) {
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FOR_EACH_LIST_ITEM(&(*ppLogicalFilterNode)->lstPinNode, pPinNode) {
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Assert(pPinNode);
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pPinNode->pLogicalFilterNode = pLogicalFilterNode;
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} END_EACH_LIST_ITEM
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pLogicalFilterNode->lstPinNode.JoinList(
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&(*ppLogicalFilterNode)->lstPinNode);
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FOR_EACH_LIST_ITEM(
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&(*ppLogicalFilterNode)->lstTopologyNode,
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pTopologyNode) {
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Assert(pTopologyNode);
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(*ppLogicalFilterNode)->RemoveList(
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&pTopologyNode->lstLogicalFilterNode);
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Status = pLogicalFilterNode->AddList(
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&pTopologyNode->lstLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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Status = pLogicalFilterNode->lstTopologyNode.AddList(pTopologyNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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} END_EACH_LIST_ITEM
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pLogicalFilterNode->lstTopologyConnection.JoinList(
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&(*ppLogicalFilterNode)->lstTopologyConnection);
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delete *ppLogicalFilterNode;
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*ppLogicalFilterNode = pLogicalFilterNode;
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}
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exit:
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return(Status);
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}
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NTSTATUS
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AddPinNodes(
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IN PPIN_INFO pPinInfo,
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IN OUT PLOGICAL_FILTER_NODE *ppLogicalFilterNode
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)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PPIN_NODE pPinNode;
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Assert(pPinInfo);
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Assert(*ppLogicalFilterNode);
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FOR_EACH_LIST_ITEM(&pPinInfo->lstPinNode, pPinNode) {
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if(pPinNode->pLogicalFilterNode == NULL) {
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pPinNode->pLogicalFilterNode = *ppLogicalFilterNode;
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}
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else {
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Status = SwitchLogicalFilterNodes(
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pPinNode->pLogicalFilterNode,
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ppLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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}
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Status = (*ppLogicalFilterNode)->lstPinNode.AddList(pPinNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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DPF2(100, "AddPinNodes: add PN %08x LFN %08x",
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pPinNode,
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*ppLogicalFilterNode);
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} END_EACH_LIST_ITEM
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exit:
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return(Status);
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}
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NTSTATUS
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CLogicalFilterNode::EnumerateFilterTopology(
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IN PTOPOLOGY_CONNECTION pTopologyConnection,
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IN BOOL fToDirection,
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IN OUT PLOGICAL_FILTER_NODE *ppLogicalFilterNode
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)
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{
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PTOPOLOGY_NODE pTopologyNode;
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NTSTATUS Status;
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Assert(pTopologyConnection);
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DPF5(100, "EFT: PIF %08x PIT %08x TPF %08x TPT %08x f %x",
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pTopologyConnection->pPinInfoFrom,
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pTopologyConnection->pPinInfoTo,
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pTopologyConnection->pTopologyPinFrom,
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pTopologyConnection->pTopologyPinTo,
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fToDirection);
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if(!fToDirection) {
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Status = STATUS_DEAD_END;
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goto exit;
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}
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if(IS_CONNECTION_TYPE(pTopologyConnection, FILTER)) {
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if(pTopologyConnection->pPinInfoFrom != NULL) {
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Assert(pTopologyConnection->pPinInfoFrom);
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if(*ppLogicalFilterNode == NULL) {
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Status = CLogicalFilterNode::Create(
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ppLogicalFilterNode,
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pTopologyConnection->pPinInfoFrom->pFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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}
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Status = AddPinNodes(
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pTopologyConnection->pPinInfoFrom,
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ppLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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DPF2(100, "EFT: add from PI %08x LFN %08x",
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pTopologyConnection->pPinInfoFrom,
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*ppLogicalFilterNode);
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}
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ASSERT(*ppLogicalFilterNode != NULL);
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Assert(*ppLogicalFilterNode);
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if(pTopologyConnection->pPinInfoTo != NULL) {
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Status = AddPinNodes(
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pTopologyConnection->pPinInfoTo,
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ppLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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DPF2(100, "EFT: add to PI %08x LFN %08x",
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pTopologyConnection->pPinInfoTo,
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*ppLogicalFilterNode);
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}
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if(pTopologyConnection->pTopologyPinTo != NULL) {
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Assert(pTopologyConnection->pTopologyPinTo);
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pTopologyNode = pTopologyConnection->pTopologyPinTo->pTopologyNode;
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Assert(pTopologyNode);
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Status = (*ppLogicalFilterNode)->lstTopologyNode.AddList(
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pTopologyNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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if(IsEqualGUID(
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&KSNODETYPE_ACOUSTIC_ECHO_CANCEL,
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pTopologyNode->pguidType)) {
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Assert(*ppLogicalFilterNode);
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(*ppLogicalFilterNode)->SetType(FILTER_TYPE_AEC);
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if(pTopologyConnection->pTopologyPinTo->ulPinNumber ==
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KSNODEPIN_AEC_RENDER_IN) {
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(*ppLogicalFilterNode)->SetRenderOnly();
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}
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else {
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ASSERT(
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pTopologyConnection->pTopologyPinTo->ulPinNumber ==
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KSNODEPIN_AEC_CAPTURE_IN);
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(*ppLogicalFilterNode)->SetCaptureOnly();
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}
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Status = (*ppLogicalFilterNode)->AddList(
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&pTopologyNode->lstLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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}
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else {
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if(pTopologyNode->lstLogicalFilterNode.IsLstEmpty()) {
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Assert(*ppLogicalFilterNode);
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Status = (*ppLogicalFilterNode)->AddList(
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&pTopologyNode->lstLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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}
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else {
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Status = SwitchLogicalFilterNodes(
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(PLOGICAL_FILTER_NODE)
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pTopologyNode->lstLogicalFilterNode.GetListFirstData(),
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ppLogicalFilterNode);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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}
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}
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DPF2(100, "EFT: add to PI %08x LFN %08x",
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pTopologyConnection->pPinInfoTo,
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*ppLogicalFilterNode);
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}
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}
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Status = pTopologyConnection->AddList(
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&(*ppLogicalFilterNode)->lstTopologyConnection);
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if(!NT_SUCCESS(Status)) {
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Trap();
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goto exit;
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}
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if(IS_CONNECTION_TYPE(pTopologyConnection, FILTER)) {
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Status = STATUS_CONTINUE;
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}
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else {
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Status = STATUS_DEAD_END;
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}
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exit:
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return(Status);
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}
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NTSTATUS
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CLogicalFilterNode::CreateAll(
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PFILTER_NODE pFilterNode
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)
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{
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PLOGICAL_FILTER_NODE pLogicalFilterNode;
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NTSTATUS Status = STATUS_SUCCESS;
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PPIN_INFO pPinInfo;
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PPIN_NODE pPinNode;
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DPF2(100, "CLFN::CreateAll: FN %08x %s",
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pFilterNode,
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pFilterNode->DumpName());
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//
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// Split up the filter into logical filter nodes.
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//
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FOR_EACH_LIST_ITEM(&pFilterNode->lstPinInfo, pPinInfo) {
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pLogicalFilterNode = NULL;
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Status = EnumerateTopology(
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pPinInfo,
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(TOP_PFN)EnumerateFilterTopology,
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&pLogicalFilterNode);
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if(Status == STATUS_CONTINUE) {
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Status = STATUS_SUCCESS;
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}
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else {
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if(!NT_SUCCESS(Status)) {
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goto exit;
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}
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}
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} END_EACH_LIST_ITEM
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|
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//
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// Look at the pins of each LFN and determine if it could possibly
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// be a capture or render filter (or both).
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//
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FOR_EACH_LIST_ITEM(
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&pFilterNode->lstLogicalFilterNode,
|
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pLogicalFilterNode) {
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ULONG ulPossibleFlags;
|
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ulPossibleFlags = 0;
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pLogicalFilterNode->ulFlags |= LFN_FLAGS_REFLECT_DATARANGE;
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FOR_EACH_LIST_ITEM(&pLogicalFilterNode->lstPinNode, pPinNode) {
|
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|
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// Don't care about the major format
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if(!IsEqualGUID(
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&pPinNode->pDataRange->SubFormat,
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&KSDATAFORMAT_SUBTYPE_WILDCARD) ||
|
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!IsEqualGUID(
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&pPinNode->pDataRange->Specifier,
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&KSDATAFORMAT_SPECIFIER_WILDCARD)) {
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pLogicalFilterNode->ulFlags &= ~LFN_FLAGS_REFLECT_DATARANGE;
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}
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switch(pPinNode->pPinInfo->Communication) {
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case KSPIN_COMMUNICATION_BOTH:
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ulPossibleFlags |=
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LFN_FLAGS_CONNECT_CAPTURE | LFN_FLAGS_CONNECT_RENDER;
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break;
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case KSPIN_COMMUNICATION_SOURCE:
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switch(pPinNode->pPinInfo->DataFlow) {
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case KSPIN_DATAFLOW_IN:
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ulPossibleFlags |= LFN_FLAGS_CONNECT_CAPTURE;
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break;
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case KSPIN_DATAFLOW_OUT:
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ulPossibleFlags |= LFN_FLAGS_CONNECT_RENDER;
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break;
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}
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break;
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case KSPIN_COMMUNICATION_SINK:
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switch(pPinNode->pPinInfo->DataFlow) {
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case KSPIN_DATAFLOW_IN:
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ulPossibleFlags |= LFN_FLAGS_CONNECT_RENDER;
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break;
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case KSPIN_DATAFLOW_OUT:
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ulPossibleFlags |= LFN_FLAGS_CONNECT_CAPTURE;
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break;
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}
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break;
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}
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if(ulPossibleFlags ==
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(LFN_FLAGS_CONNECT_CAPTURE | LFN_FLAGS_CONNECT_RENDER)) {
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break;
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}
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} END_EACH_LIST_ITEM
|
|
|
|
pLogicalFilterNode->ulFlags =
|
|
(ulPossibleFlags & pLogicalFilterNode->GetFlags()) |
|
|
(pLogicalFilterNode->GetFlags() &
|
|
~(LFN_FLAGS_CONNECT_CAPTURE | LFN_FLAGS_CONNECT_RENDER));
|
|
|
|
} END_EACH_LIST_ITEM
|
|
exit:
|
|
return(Status);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
#ifdef DEBUG
|
|
|
|
ULONG nLogicalFilter = 0;
|
|
|
|
ENUMFUNC
|
|
CLogicalFilterNode::Dump(
|
|
)
|
|
{
|
|
Assert(this);
|
|
// .slv
|
|
if(ulDebugFlags & (DEBUG_FLAGS_VERBOSE | DEBUG_FLAGS_OBJECT)) {
|
|
dprintf("LFN: %08x FN %08x fulType %08x ulOrder %08x ulOverhead %08x\n",
|
|
this,
|
|
pFilterNode,
|
|
pFilterNode->GetType(),
|
|
ulOrder,
|
|
ulOverhead);
|
|
dprintf(" %s\n", pFilterNode->DumpName());
|
|
dprintf(" fulType: ");
|
|
DumpfulType(GetType());
|
|
dprintf("\n ulFlags: ");
|
|
if(ulFlags & LFN_FLAGS_CONNECT_CAPTURE) {
|
|
dprintf("CAPTURE ");
|
|
}
|
|
if(ulFlags & LFN_FLAGS_CONNECT_RENDER) {
|
|
dprintf("RENDER ");
|
|
}
|
|
if(ulFlags & LFN_FLAGS_CONNECT_NORMAL_TOPOLOGY) {
|
|
dprintf("NORMAL_TOPOLOGY ");
|
|
}
|
|
if(ulFlags & LFN_FLAGS_CONNECT_MIXER_TOPOLOGY) {
|
|
dprintf("MIXER_TOPOLOGY ");
|
|
}
|
|
if(ulFlags & LFN_FLAGS_TOP_DOWN) {
|
|
dprintf("TOP_DOWN ");
|
|
}
|
|
if(ulFlags & LFN_FLAGS_NO_BYPASS) {
|
|
dprintf("NO_BYPASS ");
|
|
}
|
|
if(ulFlags & LFN_FLAGS_NOT_SELECT) {
|
|
dprintf("NOT_SELECT ");
|
|
}
|
|
if(ulFlags & LFN_FLAGS_REFLECT_DATARANGE) {
|
|
dprintf("REFLECT_DATARANGE ");
|
|
}
|
|
dprintf("\n");
|
|
// .slvx
|
|
if(ulDebugFlags & DEBUG_FLAGS_DETAILS) {
|
|
dprintf(" lstPN: ");
|
|
lstPinNode.DumpAddress();
|
|
dprintf("\n lstTN: ");
|
|
lstTopologyNode.DumpAddress();
|
|
dprintf("\n lstTC: ");
|
|
lstTopologyConnection.DumpAddress();
|
|
dprintf("\n lstFNI: ");
|
|
lstFilterNodeInstance.DumpAddress();
|
|
dprintf("\n");
|
|
}
|
|
}
|
|
// .slp
|
|
if(ulDebugFlags & DEBUG_FLAGS_PIN) {
|
|
lstPinNode.Dump();
|
|
}
|
|
// .slt
|
|
if(ulDebugFlags & DEBUG_FLAGS_TOPOLOGY) {
|
|
lstTopologyNode.Dump();
|
|
// .sltx
|
|
if(ulDebugFlags & DEBUG_FLAGS_DETAILS) {
|
|
lstTopologyConnection.Dump();
|
|
}
|
|
}
|
|
if(ulDebugFlags &
|
|
(DEBUG_FLAGS_VERBOSE | DEBUG_FLAGS_PIN | DEBUG_FLAGS_TOPOLOGY)) {
|
|
dprintf("\n");
|
|
}
|
|
return(STATUS_CONTINUE);
|
|
}
|
|
|
|
#endif
|