// d3dumddi.h

PFND3DDDI_VIDEOPROCESSENDFRAME Pfnd3dddiVideoprocessendframe;

HRESULT Pfnd3dddiVideoprocessendframe(
  HANDLE hDevice,
  D3DDDIARG_VIDEOPROCESSENDFRAME *unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_videoprocessendframe)

PFND3DDDI_VIDEOPROCESSENDFRAME callback function

Description

The VideoProcessEndFrame function notifies the user-mode display driver that all of the data that is required to process the current frame was submitted.

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

pData [in, out]

A pointer to a D3DDDIARG_VIDEOPROCESSENDFRAME structure that describes the DirectX VA video processor that should stop processing a frame.

Return value

VideoProcessEndFrame returns one of the following values:

Return code	Description
S_OK	Processing of the current frame is successfully completed.
E_OUTOFMEMORY	VideoProcessEndFrame cannot allocate memory required for it to complete.

Remarks

The VideoProcessEndFrame function notifies the user-mode display driver that its VideoProcessBlt function can no longer be called on the specified video processing device.

PFND3DDDI_VIDEOPROCESSENDFRAME - NtDoc