KsGetPinFromIrp function (ks.h)

Article
02/22/2024

The KsGetPinFromIrp function returns the AVStream pin object associated with the given IRP.

Syntax

KSDDKAPI PKSPIN KsGetPinFromIrp(
  [in] PIRP Irp
);

Parameters

[in] Irp

A pointer to an IRP for which to return the associated pin.

Return value

KsGetPinFromIrp returns a pointer to the KSPIN structure associated with the given IRP or NULL. NULL indicates that either the IRP is not associated with an AVStream object or that it is associated with a filter or a topology node.

Remarks

Currently, IRPs associated with topology nodes cannot be queried for associated pins. This may change in a future revision of AVStream.

Requirements

Requirement	Value
Minimum supported client	Available in Microsoft Windows XP and later operating systems and DirectX 8.0 and later DirectX versions.
Target Platform	Universal
Header	ks.h (include Ks.h)
Library	Ks.lib
IRQL	Any level