DXVA2CreateVideoService function (dxva2api.h)

Creates a DirectX Video Acceleration (DXVA) services object. Call this function if your application uses DXVA directly, without using DirectShow or Media Foundation.

HRESULT DXVA2CreateVideoService(
  IDirect3DDevice9 *pDD,
  REFIID           riid,
  void             **ppService
);

pDD

A pointer to the IDirect3DDevice9 interface of a Direct3D device.

riid

The interface identifier (IID) of the requested interface. Any of the following interfaces might be supported by the Direct3D device:

• IDirectXVideoAccelerationService
• IDirectXVideoDecoderService
• IDirectXVideoProcessorService

ppService

Receives a pointer to the interface. The caller must release the interface.

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

DXVA Video Processing

Media Foundation Functions