// d3dumddi.h

PFND3DDDI_DECODEENDFRAME Pfnd3dddiDecodeendframe;

HRESULT Pfnd3dddiDecodeendframe(
  HANDLE hDevice,
  D3DDDIARG_DECODEENDFRAME *unnamedParam2
)
{...}
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_decodeendframe)

PFND3DDDI_DECODEENDFRAME callback function

Description

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

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

pData [in, out]

A pointer to a D3DDDIARG_DECODEENDFRAME structure that describes the DirectX VA decoder that should stop decoding a frame.

Return value

DecodeEndFrame returns one of the following values:

Return code	Description
S_OK	Decoding successfully completed.
E_OUTOFMEMORY	DecodeEndFrame could not allocate the required memory for it to complete.

Remarks

The DecodeEndFrame function notifies the user-mode display driver that its DecodeExecute function can no longer be called on the specified decode device.

PFND3DDDI_DECODEENDFRAME - NtDoc