// d3dumddi.h

PFND3DDDI_CREATEDECODEDEVICE Pfnd3dddiCreatedecodedevice;

HRESULT Pfnd3dddiCreatedecodedevice(
  HANDLE hDevice,
  D3DDDIARG_CREATEDECODEDEVICE *unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_createdecodedevice)

PFND3DDDI_CREATEDECODEDEVICE callback function

Description

The CreateDecodeDevice function creates a Microsoft DirectX Video Acceleration (DirectX VA) decode device that is used to decode video.

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

pData [in, out]

A pointer to a D3DDDIARG_CREATEDECODEDEVICE structure. On input, this structure contains information that the driver can use. On output, the driver specifies information in the structure that the Microsoft Direct3D runtime can use.

Return value

CreateDecodeDevice returns one of the following values:

Return code	Description
S_OK	The DirectX VA decode device is successfully created.
E_OUTOFMEMORY	CreateDecodeDevice could not allocate the required memory for it to complete.

PFND3DDDI_CREATEDECODEDEVICE - NtDoc