IMFVideoSampleAllocator::SetDirectXManager Method

Specifies the Direct3D device manager for the video media sink to use.

Syntax

public:
HRESULT SetDirectXManager(
         IUnknown *pManager
)

Parameters

pManager
Type: IUnknown *

Pointer to the IUnknown interface of the Direct3D device manager. The media sink queries this pointer for the IDirect3DDeviceManager9 interface.

Return value

Type: HRESULT

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return codes

Return code	Description
S_OK	The method succeeded.

Refer to Media Foundation return codes.

Remarks

The media sink uses the Direct3D device manager to obtain a pointer to the Direct3D device, which it uses to allocate Direct3D surfaces. The device manager enables multiple objects in the pipeline (such as a video renderer and a video decoder) to share the same Direct3D device.

Requirements

Header: Declared in mfidl.h.

Library: Use mfuuid.lib.