PFND3DDDI_VIDEOPROCESSBEGINFRAME - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// d3dumddi.h

PFND3DDDI_VIDEOPROCESSBEGINFRAME Pfnd3dddiVideoprocessbeginframe;

HRESULT Pfnd3dddiVideoprocessbeginframe(
       HANDLE hDevice,
  [in] HANDLE hVideoProcess
)
{...}
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_videoprocessbeginframe)

PFND3DDDI_VIDEOPROCESSBEGINFRAME callback function

Description

The VideoProcessBeginFrame function notifies the user-mode display driver that processing of a video frame can begin on the specified Microsoft DirectX Video Accelerator (VA) video processing device.

Parameters

hDevice

A handle to the display device (graphics context).

hVideoProcess [in]

The handle to the DirectX VA video processing device that should start processing the video frame. The CreateVideoProcessDevice function created this handle.

Return value

VideoProcessBeginFrame returns one of the following values:

Return code Description
S_OK Video frame processing successfully began.
E_OUTOFMEMORY VideoProcessBeginFrame could not allocate the required memory for it to complete.

Remarks

The VideoProcessBeginFrame function notifies the user-mode display driver that its VideoProcessBlt function can be called on the specified video processing device.

See also

CreateVideoProcessDevice

D3DDDI_DEVICEFUNCS

VideoProcessBlt

View the official Windows Driver Kit DDI reference

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