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API Reference / MediaFoundation / IMFTopologyNode

Interface
IMFTopologyNode

Definition

Namespace:MediaFoundation

Assembly:MediaFoundation.dll

Syntax:
cs-api-definition
[Guid("83CF873A-F6DA-4BC8-823F-BACFD55DC430")]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
public interface IMFTopologyNode : IMFAttributes

Methods

CloneFrom(IMFTopologyNode)

Declaration

cs-api-definition
HResult CloneFrom(IMFTopologyNode pNode)

Parameters

pNode

IMFTopologyNode

Returns

HResult

Compare(IMFAttributes, MFAttributesMatchType, out bool)

Declaration

cs-api-definition
HResult Compare(IMFAttributes pTheirs, MFAttributesMatchType MatchType, out bool pbResult)

Parameters

pTheirs

IMFAttributes

MatchType

MFAttributesMatchType

pbResult

bool

Returns

HResult

CompareItem(Guid, ConstPropVariant, out bool)

Declaration

cs-api-definition
HResult CompareItem(Guid guidKey, ConstPropVariant Value, out bool pbResult)

Parameters

guidKey

Guid

Value

ConstPropVariant

pbResult

bool

Returns

HResult

ConnectOutput(int, IMFTopologyNode, int)

Declaration

cs-api-definition
HResult ConnectOutput(int dwOutputIndex, IMFTopologyNode pDownstreamNode, int dwInputIndexOnDownstreamNode)

Parameters

dwOutputIndex

int

pDownstreamNode

IMFTopologyNode

dwInputIndexOnDownstreamNode

int

Returns

HResult

CopyAllItems(IMFAttributes)

Declaration

cs-api-definition
HResult CopyAllItems(IMFAttributes pDest)

Parameters

pDest

IMFAttributes

Returns

HResult

DeleteAllItems()

Declaration

cs-api-definition
HResult DeleteAllItems()

Returns

HResult

DeleteItem(Guid)

Declaration

cs-api-definition
HResult DeleteItem(Guid guidKey)

Parameters

guidKey

Guid

Returns

HResult

DisconnectOutput(int)

Declaration

cs-api-definition
HResult DisconnectOutput(int dwOutputIndex)

Parameters

dwOutputIndex

int

Returns

HResult

GetAllocatedBlob(Guid, out IntPtr, out int)

Declaration

cs-api-definition
HResult GetAllocatedBlob(Guid guidKey, out IntPtr ip, out int pcbSize)

Parameters

guidKey

Guid

ip

IntPtr

pcbSize

int

Returns

HResult

GetAllocatedString(Guid, out string, out int)

Declaration

cs-api-definition
HResult GetAllocatedString(Guid guidKey, out string ppwszValue, out int pcchLength)

Parameters

guidKey

Guid

ppwszValue

string

pcchLength

int

Returns

HResult

GetBlob(Guid, byte[], int, out int)

Declaration

cs-api-definition
HResult GetBlob(Guid guidKey, byte[] pBuf, int cbBufSize, out int pcbBlobSize)

Parameters

guidKey

Guid

pBuf

byte[]

cbBufSize

int

pcbBlobSize

int

Returns

HResult

GetBlobSize(Guid, out int)

Declaration

cs-api-definition
HResult GetBlobSize(Guid guidKey, out int pcbBlobSize)

Parameters

guidKey

Guid

pcbBlobSize

int

Returns

HResult

GetCount(out int)

Declaration

cs-api-definition
HResult GetCount(out int pcItems)

Parameters

pcItems

int

Returns

HResult

GetDouble(Guid, out double)

Declaration

cs-api-definition
HResult GetDouble(Guid guidKey, out double pfValue)

Parameters

guidKey

Guid

pfValue

double

Returns

HResult

GetGUID(Guid, out Guid)

Declaration

cs-api-definition
HResult GetGUID(Guid guidKey, out Guid pguidValue)

Parameters

guidKey

Guid

pguidValue

Guid

Returns

HResult

GetInput(int, out IMFTopologyNode, out int)

Declaration

cs-api-definition
HResult GetInput(int dwInputIndex, out IMFTopologyNode ppUpstreamNode, out int pdwOutputIndexOnUpstreamNode)

Parameters

dwInputIndex

int

ppUpstreamNode

IMFTopologyNode

pdwOutputIndexOnUpstreamNode

int

Returns

HResult

GetInputCount(out int)

Declaration

cs-api-definition
HResult GetInputCount(out int pcInputs)

Parameters

pcInputs

int

Returns

HResult

GetInputPrefType(int, out IMFMediaType)

Declaration

cs-api-definition
HResult GetInputPrefType(int dwInputIndex, out IMFMediaType ppType)

Parameters

dwInputIndex

int

ppType

IMFMediaType

Returns

HResult

GetItem(Guid, PropVariant)

Declaration

cs-api-definition
HResult GetItem(Guid guidKey, PropVariant pValue)

Parameters

guidKey

Guid

pValue

PropVariant

Returns

HResult

GetItemByIndex(int, out Guid, PropVariant)

Declaration

cs-api-definition
HResult GetItemByIndex(int unIndex, out Guid pguidKey, PropVariant pValue)

Parameters

unIndex

int

pguidKey

Guid

pValue

PropVariant

Returns

HResult

GetItemType(Guid, out MFAttributeType)

Declaration

cs-api-definition
HResult GetItemType(Guid guidKey, out MFAttributeType pType)

Parameters

guidKey

Guid

pType

MFAttributeType

Returns

HResult

GetNodeType(out MFTopologyType)

Declaration

cs-api-definition
HResult GetNodeType(out MFTopologyType pType)

Parameters

pType

MFTopologyType

Returns

HResult

GetObject(out object)

Declaration

cs-api-definition
HResult GetObject(out object ppObject)

Parameters

ppObject

object

Returns

HResult

GetOutput(int, out IMFTopologyNode, out int)

Declaration

cs-api-definition
HResult GetOutput(int dwOutputIndex, out IMFTopologyNode ppDownstreamNode, out int pdwInputIndexOnDownstreamNode)

Parameters

dwOutputIndex

int

ppDownstreamNode

IMFTopologyNode

pdwInputIndexOnDownstreamNode

int

Returns

HResult

GetOutputCount(out int)

Declaration

cs-api-definition
HResult GetOutputCount(out int pcOutputs)

Parameters

pcOutputs

int

Returns

HResult

GetOutputPrefType(int, out IMFMediaType)

Declaration

cs-api-definition
HResult GetOutputPrefType(int dwOutputIndex, out IMFMediaType ppType)

Parameters

dwOutputIndex

int

ppType

IMFMediaType

Returns

HResult

GetString(Guid, StringBuilder, int, out int)

Declaration

cs-api-definition
HResult GetString(Guid guidKey, StringBuilder pwszValue, int cchBufSize, out int pcchLength)

Parameters

guidKey

Guid

pwszValue

StringBuilder

cchBufSize

int

pcchLength

int

Returns

HResult

GetStringLength(Guid, out int)

Declaration

cs-api-definition
HResult GetStringLength(Guid guidKey, out int pcchLength)

Parameters

guidKey

Guid

pcchLength

int

Returns

HResult

GetTopoNodeID(out long)

Declaration

cs-api-definition
HResult GetTopoNodeID(out long pID)

Parameters

pID

long

Returns

HResult

GetUINT32(Guid, out int)

Declaration

cs-api-definition
HResult GetUINT32(Guid guidKey, out int punValue)

Parameters

guidKey

Guid

punValue

int

Returns

HResult

GetUINT64(Guid, out long)

Declaration

cs-api-definition
HResult GetUINT64(Guid guidKey, out long punValue)

Parameters

guidKey

Guid

punValue

long

Returns

HResult

GetUnknown(Guid, Guid, out object)

Declaration

cs-api-definition
HResult GetUnknown(Guid guidKey, Guid riid, out object ppv)

Parameters

guidKey

Guid

riid

Guid

ppv

object

Returns

HResult

LockStore()

Declaration

cs-api-definition
HResult LockStore()

Returns

HResult

SetBlob(Guid, byte[], int)

Declaration

cs-api-definition
HResult SetBlob(Guid guidKey, byte[] pBuf, int cbBufSize)

Parameters

guidKey

Guid

pBuf

byte[]

cbBufSize

int

Returns

HResult

SetDouble(Guid, double)

Declaration

cs-api-definition
HResult SetDouble(Guid guidKey, double fValue)

Parameters

guidKey

Guid

fValue

double

Returns

HResult

SetGUID(Guid, Guid)

Declaration

cs-api-definition
HResult SetGUID(Guid guidKey, Guid guidValue)

Parameters

guidKey

Guid

guidValue

Guid

Returns

HResult

SetInputPrefType(int, IMFMediaType)

Declaration

cs-api-definition
HResult SetInputPrefType(int dwInputIndex, IMFMediaType pType)

Parameters

dwInputIndex

int

pType

IMFMediaType

Returns

HResult

SetItem(Guid, ConstPropVariant)

Declaration

cs-api-definition
HResult SetItem(Guid guidKey, ConstPropVariant Value)

Parameters

guidKey

Guid

Value

ConstPropVariant

Returns

HResult

SetObject(object)

Declaration

cs-api-definition
HResult SetObject(object pObject)

Parameters

pObject

object

Returns

HResult

SetOutputPrefType(int, IMFMediaType)

Declaration

cs-api-definition
HResult SetOutputPrefType(int dwOutputIndex, IMFMediaType pType)

Parameters

dwOutputIndex

int

pType

IMFMediaType

Returns

HResult

SetString(Guid, string)

Declaration

cs-api-definition
HResult SetString(Guid guidKey, string wszValue)

Parameters

guidKey

Guid

wszValue

string

Returns

HResult

SetTopoNodeID(long)

Declaration

cs-api-definition
HResult SetTopoNodeID(long ullTopoID)

Parameters

ullTopoID

long

Returns

HResult

SetUINT32(Guid, int)

Declaration

cs-api-definition
HResult SetUINT32(Guid guidKey, int unValue)

Parameters

guidKey

Guid

unValue

int

Returns

HResult

SetUINT64(Guid, long)

Declaration

cs-api-definition
HResult SetUINT64(Guid guidKey, long unValue)

Parameters

guidKey

Guid

unValue

long

Returns

HResult

SetUnknown(Guid, object)

Declaration

cs-api-definition
HResult SetUnknown(Guid guidKey, object pUnknown)

Parameters

guidKey

Guid

pUnknown

object

Returns

HResult

UnlockStore()

Declaration

cs-api-definition
HResult UnlockStore()

Returns

HResult

In this article
DefinitionMethodsCloneFrom(IMFTopologyNode)Compare(IMFAttributes, MFAttributesMatchType, out bool)CompareItem(Guid, ConstPropVariant, out bool)ConnectOutput(int, IMFTopologyNode, int)CopyAllItems(IMFAttributes)DeleteAllItems()DeleteItem(Guid)DisconnectOutput(int)GetAllocatedBlob(Guid, out IntPtr, out int)GetAllocatedString(Guid, out string, out int)GetBlob(Guid, byte[], int, out int)GetBlobSize(Guid, out int)GetCount(out int)GetDouble(Guid, out double)GetGUID(Guid, out Guid)GetInput(int, out IMFTopologyNode, out int)GetInputCount(out int)GetInputPrefType(int, out IMFMediaType)GetItem(Guid, PropVariant)GetItemByIndex(int, out Guid, PropVariant)GetItemType(Guid, out MFAttributeType)GetNodeType(out MFTopologyType)GetObject(out object)GetOutput(int, out IMFTopologyNode, out int)GetOutputCount(out int)GetOutputPrefType(int, out IMFMediaType)GetString(Guid, StringBuilder, int, out int)GetStringLength(Guid, out int)GetTopoNodeID(out long)GetUINT32(Guid, out int)GetUINT64(Guid, out long)GetUnknown(Guid, Guid, out object)LockStore()SetBlob(Guid, byte[], int)SetDouble(Guid, double)SetGUID(Guid, Guid)SetInputPrefType(int, IMFMediaType)SetItem(Guid, ConstPropVariant)SetObject(object)SetOutputPrefType(int, IMFMediaType)SetString(Guid, string)SetTopoNodeID(long)SetUINT32(Guid, int)SetUINT64(Guid, long)SetUnknown(Guid, object)UnlockStore()
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